Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Weyland CS"'
Autor:
Bosshart SL; Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.; University of Zurich, Zurich, Switzerland., Stebner A; Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.; Department of Radiology, Cantonal Hospital Münsterlingen, Münsterlingen, Thurgau, Switzerland., Weyland CS; Department of Neuroradiology, RWTH Aachen University, Aachen, Germany., Radu RA; Department of Neuroradiology, Hospital Gui de Chauliac, Montpellier, France., Ospel JM; Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada johanna.ospel@ucalgary.ca.
Publikováno v:
Journal of neurointerventional surgery [J Neurointerv Surg] 2024 Oct 08. Date of Electronic Publication: 2024 Oct 08.
Autor:
Goertz L; University of Cologne, Faculty of Medicine and University Hospital, Department of Radiology and Neuroradiology, Cologne, Germany., Hohenstatt S; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Vollherbst DF; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Weyland CS; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Nikoubashman O; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Gronemann C; Department of Neuroradiology, University Hospital Bonn, Bonn, Germany., Pflaeging M; Department of Neuroradiology, University Hospital Munich (LMU), Munich, Germany., Siebert E; Department of Neuroradiology, University Hospital Berlin (Charité), Berlin, Germany., Bohner G; Department of Neuroradiology, University Hospital Berlin (Charité), Berlin, Germany., Zopfs D; University of Cologne, Faculty of Medicine and University Hospital, Department of Radiology and Neuroradiology, Cologne, Germany., Schlamann M; University of Cologne, Faculty of Medicine and University Hospital, Department of Radiology and Neuroradiology, Cologne, Germany., Liebig T; Department of Neuroradiology, University Hospital Munich (LMU), Munich, Germany., Dorn F; Department of Neuroradiology, University Hospital Bonn, Bonn, Germany., Wiesmann M; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Möhlenbruch MA; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Kabbasch C; University of Cologne, Faculty of Medicine and University Hospital, Department of Radiology and Neuroradiology, Cologne, Germany.
Publikováno v:
Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences [Interv Neuroradiol] 2024 Oct 03, pp. 15910199241286542. Date of Electronic Publication: 2024 Oct 03.
Autor:
Peacock M; Department of Stroke Medicine, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK., Drumm B; Department of Stroke Medicine, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK.; Department of Stroke Medicine, Chelsea and Westminster NHS Trust, London, UK., Klein P; Department of Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA., Raymond J; Department of Radiology, Interventional Neuroradiology Division, Centre Hospitalier de l'Universite de Montreal, Montreal, Canada., Huo X; Interventional Neuroradiology, Beijing Tiantan Hospital, Beijing, China., Chen Y; Department of Neurology, Foshan Sanshui District People's Hospital, Foshan, China., Abdalkader M; Department of Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA., Schonewille WJ; Department of Neurology, St Antonius Hospital, Nieuwegein, the Netherlands., Liu X; Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China., Hu W; Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China., Li C; Neurology, Xuanwu Hospital, Beijing, China., Ji X; Department of Neurosurgery, Xuanwu Hospital, Beijing, China., Alemseged F; Department of Medicine and Neurology, Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia., Liu L; Neurology, Beijing Tiantan Hospital, Beijing, China., Siegler JE; Cooper Neurological Institute, Cooper University Hospital, Camden, NJ, USA.; Cooper Medical School of Rowan University, Camden, NJ, USA., Nagel S; Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany.; Department of Neurology, Klinikum Ludwigshafen, Ludwigshafen, Germany., Strbian D; Department of Neurology, Helsinki University Hospital, Helsinki, Finland., Sacco S; Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy., Yaghi S; Department of Neurology, Rhode Island Hospital, Brown University, Providence, RI, USA., Qureshi MM; Department of Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA., Fischer U; Department of Neurology, Bern University Hospital, University of Bern, Bern, Switzerland.; Department of Neurology, Basel University Hospital, University of Basel, Basel, Switzerland., Aguiar de Sousa D; Stroke Center, Lisbon Central University Hospital and Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal., Yamagami H; Department of Stroke Neurology, National Hospital Organization, Osaka National Hospital, Japan., Michel P; Stroke Center, Department of Clinical Neurosciences, Lausanne University Hospital, Lausanne, Switzerland., Puetz V; Department of Neurology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.; Dresden Neurovascular Center, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany., Mujanovic A; Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern, Bern, Switzerland., Marto JP; Department of Neurology, Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal., Kristoffersen ES; Department of Neurology, Akershus University Hospital, Lørenskog, Norway and Department of General Practice, University of Oslo, Oslo, Norway., Sandset EC; Stroke Unit, Department of Neurology, Oslo University Hospital, Oslo, Norway.; The Norwegian Air Ambulance, Oslo, Norway., Demeestere J; Neurology Department, Leuven University Hospital, Leuven, Belgium., Hanning U; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany., Novakovic R; Department of Neurology and Radiology, UT Southwestern, Dallas, TX, USA., Kenmuir C; Department of Neurology, UPMC, Pittsburgh, PA, USA., Agid R; Division of Interventional Neuroradiology, Toronto Western Hospital, JDMI, UHN, University of Toronto, Toronto, Canada., Romoli M; Neurology and Stroke Unit, Department of Neuroscience, Bufalini Hospital, Cesena, Italy., Diana F; Neuroradiology, Vall d'Hebron University Hospital, Barcelona, Spain., Lobotesis K; Interventional Neuroradiology Department, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK., Roi D; Interventional Neuroradiology Department, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK., Masoud HE; Department of Neurology, SUNY Upstate Medical University, Syracuse, NY, USA., Ma A; Department of Neurosurgery, Royal North Shore Hospital, Sydney, Australia., Zhu Y; Stroke Center and Department of Neurology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China., Sang H; Department of Neurology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China., Sun D; Interventional Neuroradiology, Beijing Tiantan Hospital, Beijing, China., Ton MD; Stroke Center, Bach Mai Hospital, Hanoi Medical University, Hanoi, Vietnam.; Faculty of Stroke and Cerebrovascular Disease, VNU-University of Medicine and Pharmacy, Hanoi, Vietnam., Raynald; Interventional Neuroradiology, Beijing Tiantan Hospital, Beijing, China., Li F; Department of Neurology, Xinqiao Hospital and The Second Affiliated Hospital, Army Medical University, Chongqing, China., Nasreldein A; Neurology, Assiut University Hospitals, Assiut University, Assiut, Egypt., Jesser J; Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany., Kaesmacher J; Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern, Bern, Switzerland., Weyland CS; Interventional Neuroradiology, Aachen University, Aachen, Germany., Meyer L; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany., Yeo LLL; Division of Neurology, Department of Medicine, National University Hospital, Singapore and Yong Loo Lin School of Medicine, National University of Singapore, Singapore., Yang Q; Department of Neurology, Xinqiao Hospital and The Second Affiliated Hospital, Army Medical University, Chongqing, China., Thomalla G; Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany., Yang P; Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China., Poli S; Department of Neurology, University of Tuebingen, Tübingen, Germany., Campbell BCV; Department of Medicine and Neurology, Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia., Qureshi AI; Zeenat Qureshi Stroke Institute and Department of Neurology, University of Missouri, Columbia, MO, USA., Chen HS; Department of Neurology, General Hospital of Northern Theatre Command, Shenyang, China., Zaidat OO; Neuroscience and Stroke Program, Bon Secours Mercy Health St Vincent Hospital, Toledo, USA., Qiu Z; Department of Neurology, The 903rd Hospital of The Chinese People's Liberation Army, Hangzhou, China., Nogueira RG; Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA., Jovin TG; Cooper Neurological Institute, Cooper University Hospital, Camden, NJ, USA.; Cooper Medical School of Rowan University, Camden, NJ, USA., Miao Z; Interventional Neuroradiology, Beijing Tiantan Hospital, Beijing, China., Nguyen TN; Department of Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.; Neurology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA., Banerjee S; Department of Stroke Medicine, Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK.
Publikováno v:
Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences [Interv Neuroradiol] 2024 Aug 14, pp. 15910199241265590. Date of Electronic Publication: 2024 Aug 14.
Autor:
Dmytriw AA; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Ghozy S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Salim HA; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Musmar B; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Siegler JE; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Kobeissi H; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Shaikh H; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Khalife J; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Abdalkader M; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Klein P; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Nguyen TN; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Heit JJ; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Regenhardt RW; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Cancelliere NM; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., El Naamani K; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Amllay A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Meyer L; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Dusart A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Bellante F; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Forestier G; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Rouchaud A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Saleme S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Mounayer C; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Fiehler J; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Kühn AL; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Puri AS; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Dyzmann C; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Kan PT; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Colasurdo M; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Marnat G; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Berge J; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Barreau X; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Sibon I; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Nedelcu S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Henninger N; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Marotta TR; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Stapleton CJ; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Rabinov JD; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Ota T; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Dofuku S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Yeo LLL; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Tan BYQ; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Martinez-Gutierrez JC; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Salazar-Marioni S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Sheth S; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Renieri L; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Capirossi C; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Mowla A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Adeeb N; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Cuellar-Saenz HH; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Tjoumakaris SI; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Jabbour P; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Khandelwal P; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Biswas A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Clarençon F; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Elhorany M; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Premat K; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Valente I; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Pedicelli A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Filipe JP; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Varela R; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Quintero-Consuegra M; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Gonzalez NR; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Möhlenbruch MA; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Jesser J; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Costalat V; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Ter Schiphorst A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Yedavalli V; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Harker P; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Chervak LM; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Aziz Y; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Gory B; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Stracke CP; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Hecker C; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Kadirvel R; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Killer-Oberpfalzer M; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Griessenauer CJ; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Thomas AJ; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Hsieh CY; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Liebeskind DS; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Radu RA; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Alexandre AM; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Tancredi I; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Faizy TD; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Fahed R; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Weyland CS; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Lubicz B; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Patel AB; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Pereira VM; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.)., Guenego A; From the Neuroendovascular Program, Massachusetts General Hospital & Brigham and Women's Hospital, Harvard University, Boston, Mass (A.A.D., R.W.R., C.J.S., J.D.R., A.B.P.); Departments of Medical Imaging and Neurosurgery, Neurovascular Centre, St. Michael's Hospital, Toronto, ON, Canada M5B 1W8 (A.A.D., N.M.C., T.R.M., V.M.P.); Departments of Neurologic Surgery & Radiology, Mayo Clinic, Rochester, Minn (S.G., H.K., R.K.); Cooper Neurologic Institute, Cooper University Hospital, Cooper Medical School of Rowen University, Camden, NJ (J.E.S., H.S., J.K., A.J.T., A.G.); Departments of Radiology & Neurology, Boston Medical Center, Boston, Mass (M.A., P. Klein, T.N.N.); Department of Interventional Neuroradiology, Stanford Medical Center, Palo Alto, Calif (J.J.H.); Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pa (K.E.N., A.A., S.I.T., P.J.); Department of Neurosurgery and Interventional Neuroradiology, Louisiana State University, Shreveport, La (H.A.S., B.M., N.A., H.H.C.S.); Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (L.M., J.F. T.D.F.); Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium (A.D., F.B.); Department of Neuroradiology, University Hospital of Limoges, Université de Limoges, Limoges, France (G.F., A.R., S. Saleme, C.M.); Department of Radiology, Division of Neurointerventional Radiology, University of Massachusetts Medical Center, Worcester, Mass (A.L.K., A.S.P.); Department of Neuroradiology, Sana Kliniken, Lübeck GmbH, Lübeck, Germany (C.D.); Department of Neurosurgery, University of Texas Medical Branch, Galveston, Tex (P.T.K., M.C.); Department of Interventional Neuroradiology, Bordeaux University Hospital, Bordeaux, France (G.M., J.B., X.B.); Department of Neurology, Bordeaux University Hospital, Bordeaux, France (I.S.); Department of Neurology, University of Massachusetts Chan Medical School, Worcester, Mass (S.N., N.H.); Department of Psychiatry, University of Massachusetts Chan Medical School, Worcester, Mass (N.H.); Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass (N.H.); Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan (T.O., S.D.); Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (L.L.L.Y., B.Y.Q.T.); Department of Medicine, Division of Neurology, National University Hospital, Singapore (B.Y.Q.T.); Department of Neurology, UTHealth McGovern Medical School, Houston, Tex (J.C.M.G., S.S.M.); Interventistica Neurovascolare, Ospedale Careggi di Firenze, Florence, Italy (S. Sheth, L.R., C.C.); Department of Neurologic Surgery, Division of Stroke and Endovascular Neurosurgery, Keck School of Medicine, University of Southern California, Los Angeles, Calif (A.M.); Department of Endovascular Neurosurgery and Neuroradiology, Rutgers University New Jersey Medical School in Newark, Newark, NJ (P. Khandelwal); Department of Neurosurgery, Westchester Medical Center at New York Medical College, Valhalla, NY (A.B.); Department of Neuroradiology, Pitié-Salpêtrière Hospital, GRC BioFast, Sorbonne University, Paris, France (F.C., M.E., K.P.); Neurology Department, Faculty of Medicine, Tanta University, Egypt (M.E.); UOSA Neuroradiologia Interventistica, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy (I.V., A.P., A.M.A.); Department of Diagnostic and Interventional Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal (J.P.F.); Department of Neurology, Centro Hospitalar Universitário do Porto, Porto, Portugal (R.V.); Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, Calif (M.Q.C., N.R.G.); Department of Vascular and Interventional Neuroradiology, Universitätsklinikum Heidelberg, Heidelberg, Germany (M.A.M., J.J., C.W.); Department of Neuroradiology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (V.C., R.A.R.); Department of Neurology, Gui de Chauliac Hospital, Montpellier University Medical Center, Montpellier, France (A.t.S.); Department of Radiology, Division of Neuroradiology, Johns Hopkins Medical Center, Baltimore, Md (V.Y.); Department of Neurology, University of Cincinnati Medical Center, Cincinnati, Ohio (P.H., L.M.C., Y.A.); Department of Interventional Neuroradiology, Nancy University Hospital, Nancy, France (B.G.); INSERM U1254, IADI, Université de Lorraine, Nancy, France (B.G.); Department of Radiology, Section of Interventional Neuroradiology, University Medical Center Münster, Münster, Germany (C.P.S.); Departments of Neurology & Neurosurgery, Christian Doppler Clinic, Paracelsus Medical University, Salzburg, Austria (C.H., M.K.O., C.J.G.); Department of Neurology, Sin-Lau Hospital, Tainan, Taiwan (C.Y.H.); UCLA Stroke Center and Department of Neurology Department, University of California Los Angeles, Los Angeles, Calif (D.S.L.); Department of Medicine, Division of Neurology, The Ottawa Hospital, Ottawa Hospital Research Institute and University of Ottawa, Ottawa, Ontario, Canada (I.T., R.F.); Department of Diagnostic and Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium (B.L.).
Publikováno v:
Radiology [Radiology] 2024 Aug; Vol. 312 (2), pp. e233041.
Autor:
Strambo D; Service of Neurology, Department of Clinical Neurosciences, University Hospital of Lausanne and University of Lausanne, Switzerland (D. Strambo, P.M.)., Michel P; Service of Neurology, Department of Clinical Neurosciences, University Hospital of Lausanne and University of Lausanne, Switzerland (D. Strambo, P.M.)., Nguyen TN; Neurology (T.N.N., J.C.), Boston Medical Center, MA.; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA., Abdalkader M; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA., Qureshi MM; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA.; Radiation Oncology (M.M.Q.), Boston Medical Center, MA., Strbian D; Neurology (D. Strbian, S.R.), Helsinki University Hospital, University of Helsinki, Finland., Herweh C; Neuroradiology (C.H., M.A.M., J.J.), Heidelberg University Hospital, Germany., Möhlenbruch MA; Neuroradiology (C.H., M.A.M., J.J.), Heidelberg University Hospital, Germany., Räty S; Neurology (D. Strbian, S.R.), Helsinki University Hospital, University of Helsinki, Finland., Olivé-Gadea M; Neurology, Hospital Universitario Vall d'Hebron, Barcelona, Spain (M.O.-G., M. Ribo, M. Requena)., Ribo M; Neurology, Hospital Universitario Vall d'Hebron, Barcelona, Spain (M.O.-G., M. Ribo, M. Requena)., Psychogios M; Radiology, Basel University Hospital, University of Basel, Switzerland (M.P., A.N.)., Fischer U; Department of Neurology, University Hospital and University of Bern, Switzerland (U.F.).; Department of Neurology, University Hospital and University of Basel, Switzerland (U.F.)., Nguyen A; Radiology, Basel University Hospital, University of Basel, Switzerland (M.P., A.N.)., Kuramatsu JB; Neurology (J.B.K, D.H.), University of Erlangen-Nuremberg, Germany., Haupenthal D; Neurology (J.B.K, D.H.), University of Erlangen-Nuremberg, Germany., Köhrmann M; Neurology, Institute of Diagnostic and Interventional Radiology (M. Köhrmann, J.K.E.), University Hospital Essen, Germany., Deuschl C; Neuroradiology (C.D.), University Hospital Essen, Germany., Kühne Escolà J; Neurology, Institute of Diagnostic and Interventional Radiology (M. Köhrmann, J.K.E.), University Hospital Essen, Germany., Demeestere J; Neurology, UZ Leuven, Belgium (J.D., R. Lemmens, L.V.).; Laboratory for Neurobiology, KU Leuven, Belgium (J.D., R. Lemmens, L.V.)., Lemmens R; Neurology, UZ Leuven, Belgium (J.D., R. Lemmens, L.V.).; Laboratory for Neurobiology, KU Leuven, Belgium (J.D., R. Lemmens, L.V.)., Vandewalle L; Neurology, UZ Leuven, Belgium (J.D., R. Lemmens, L.V.).; Laboratory for Neurobiology, KU Leuven, Belgium (J.D., R. Lemmens, L.V.)., Yaghi S; Neurology, Rhode Island Hospital (S.Y., L.S.)., Shu L; Neurology, Rhode Island Hospital (S.Y., L.S.)., Puetz V; Neurology (V.P.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.; Dresden University Stroke Center (V.P., D.P.O.K.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany., Kaiser DPO; Neuroradiology (D.P.O.K.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany.; Dresden University Stroke Center (V.P., D.P.O.K.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany., Kaesmacher J; Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern Inselspital, University of Bern, Switzerland (J.K., A. Mujanovic, B.S.)., Mujanovic A; Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern Inselspital, University of Bern, Switzerland (J.K., A. Mujanovic, B.S.)., Marterstock DC; Neuroradiology (D.C.M., T.E.), University of Erlangen-Nuremberg, Germany., Engelhorn T; Neuroradiology (D.C.M., T.E.), University of Erlangen-Nuremberg, Germany., Requena M; Neuroradiology (D.P.O.K.), University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany., Dasenbrock HH; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA., Klein P; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA., Haussen DC; Neurology, Grady Memorial Hospital (D.C.H., M.H.M., H.A., L.S.V.)., Mohammaden MH; Neurology, Grady Memorial Hospital (D.C.H., M.H.M., H.A., L.S.V.)., Abdelhamid H; Neurology, Grady Memorial Hospital (D.C.H., M.H.M., H.A., L.S.V.)., Souza Viana L; Neurology, Grady Memorial Hospital (D.C.H., M.H.M., H.A., L.S.V.)., Cunha B; Neuroradiology, Centro Hospitalar Universitario de Lisboa Central, Portugal (B.C., I.F.)., Fragata I; Neuroradiology, Centro Hospitalar Universitario de Lisboa Central, Portugal (B.C., I.F.).; NOVA Medical School, Universidade Nova de Lisboa, Portugal (I.F.)., Romoli M; Neurology and Stroke Unit, Department of Neuroscience, Bufalini Hospital, Cesena, Italy (M. Romoli)., Diana F; Neuroradiology, University Hospital 'San Giovanni di Dio e Ruggi d'Aragona', Salerno, Italy (F.D.)., Hu W; Neurology, The First Affiliated Hospital of USTC, Hefei, China (W.H., C.Z.)., Zhang C; Neurology, The First Affiliated Hospital of USTC, Hefei, China (W.H., C.Z.)., Virtanen P; Radiology (P.V., R. Lauha, K.L.), Helsinki University Hospital, University of Helsinki, Finland., Lauha R; Radiology (P.V., R. Lauha, K.L.), Helsinki University Hospital, University of Helsinki, Finland., Jesser J; Neuroradiology (C.H., M.A.M., J.J.), Heidelberg University Hospital, Germany., Clark J; Neurology (T.N.N., J.C.), Boston Medical Center, MA., Matsoukas S; Neurosurgery, Mount Sinai Health System (S.M., J.T.F.)., Fifi JT; Neurosurgery, Mount Sinai Health System (S.M., J.T.F.)., Sheth SA; Neurology, McGovern Medical School at UTHealth, TX (S.A.S., S.S.-M.)., Salazar-Marioni S; Neurology, McGovern Medical School at UTHealth, TX (S.A.S., S.S.-M.)., Marto JP; Neurology (J.P.M.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Portugal., Ramos JN; Neuroradiology (J.N.R.), Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Portugal., Miszczuk M; Neuroradiology (M. Miszczuk, E.S.), Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany., Riegler C; Departement of Neurology and Experimental Neurology, and Center for Stroke Research Berlin (C.R., C.H.N.), Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany., Poli S; Department of Neurology and Stroke (S.P., K.P.), University of Tübingen, Germany.; Hertie Institute for Clinical Brain Research (S.P., K.P.), University of Tübingen, Germany., Poli K; Department of Neurology and Stroke (S.P., K.P.), University of Tübingen, Germany.; Hertie Institute for Clinical Brain Research (S.P., K.P.), University of Tübingen, Germany., Jadhav AP; Neurosurgery, Barrow Neurological Institute, Phoenix, AZ (A.P.J., S.M.D.)., Desai SM; Neurosurgery, Barrow Neurological Institute, Phoenix, AZ (A.P.J., S.M.D.)., Maus V; Radiology, Neuroradiology, and Nuclear Medicine, University Hospital Knappschaftskrankenhaus Bochum, Germany (V.M., M.K.).; Institute of Radiology and Neuroradiology, Klinikum Aschaffenburg, Germany (V.M.)., Kaeder M; Radiology, Neuroradiology, and Nuclear Medicine, University Hospital Knappschaftskrankenhaus Bochum, Germany (V.M., M.K.)., Siddiqui AH; Radiology (T.N.N., M.A., M.M.Q., P.K., H.D.), Boston Medical Center, MA., Monteiro A; Neurosurgery, University of Buffalo, NY (A.H.S., A. Monteiro)., Masoud HE; Neurology, New York Upstate Medical University (H.E.M.)., Suryadareva N; Neurology, University of Pittsburgh Medical Center, PA (N.S., R.G.N.)., Mokin M; Neurosurgery, University of South Florida, Tampa (M. Mokin, S.T.)., Thanki S; Neurosurgery, University of South Florida, Tampa (M. Mokin, S.T.)., Alpay K; Radiology (K.A.), Turku University Hospital, Finland., Ylikotila P; Neurology (P.Y.), Turku University Hospital, Finland., Siegler JE; Neurology, University of Chicago, IL (J.E.S.)., Linfante I; Miami Neuroscience Institute, FL (I.L., G.D.)., Dabus G; Miami Neuroscience Institute, FL (I.L., G.D.)., Asdaghi N; Neurology, University of Miami Miller School of Medicine, FL (N.A., V.S.)., Saini V; Neurology, University of Miami Miller School of Medicine, FL (N.A., V.S.)., Nolte CH; Departement of Neurology and Experimental Neurology, and Center for Stroke Research Berlin (C.R., C.H.N.), Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany., Siebert E; Neuroradiology (M. Miszczuk, E.S.), Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany., Serrallach BL; Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern Inselspital, University of Bern, Switzerland (J.K., A. Mujanovic, B.S.)., Weyland CS; Neuroradiology, University Hospital RWTH Aachen, Germany (C.S.W.)., Hanning U; Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Germany (U.H., L.M.)., Meyer L; Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Germany (U.H., L.M.)., Berberich A; Neurology, Klinikum Ludwigshafen, Germany (A.B., S.N.)., Ringleb PA; Neurology (P.A.R., S.N.), Heidelberg University Hospital, Germany., Nogueira RG; Neurology, University of Pittsburgh Medical Center, PA (N.S., R.G.N.)., Nagel S
Publikováno v:
Stroke [Stroke] 2024 Jul; Vol. 55 (7), pp. 1787-1797. Date of Electronic Publication: 2024 May 16.
Autor:
Sommer LJ; Department of Neuroradiology, Aachen University Hospital, Aachen, Germany.; Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany., Jesser J; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany., Nikoubashman O; Department of Neuroradiology, Aachen University Hospital, Aachen, Germany., Nguyen TN; Interventional Neurology and Neuroradiology, Boston Medical Center, Boston, MA, USA., Pinho J; Department of Neurology, Aachen University Hospital, Aachen, Germany., Reich A; Department of Neurology, Aachen University Hospital, Aachen, Germany., Wiesmann M; Department of Neuroradiology, Aachen University Hospital, Aachen, Germany., Weyland CS; Department of Neuroradiology, Aachen University Hospital, Aachen, Germany. cweyland@ukaachen.de.
Publikováno v:
Clinical neuroradiology [Clin Neuroradiol] 2024 May 31. Date of Electronic Publication: 2024 May 31.
Autor:
Goertz L; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany lukas.goertz@uk-koeln.de., Hohenstatt S; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Vollherbst DF; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Weyland CS; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Nikoubashman O; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Styczen H; Institute for Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany., Gronemann C; Department of Neuroradiology, University Hospital Bonn, Bonn, Germany., Weiss D; Department of Neuroradiology, University Hospital Düsseldorf, Düsseldorf, Germany., Kaschner M; Department of Neuroradiology, University Hospital Düsseldorf, Düsseldorf, Germany., Pflaeging M; Department of Neuroradiology, University Hospital Munich (LMU), Munich, Germany., Siebert E; Department of Neuroradiology, University Hospital Berlin (Charité), Berlin, Germany., Zopfs D; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany., Kottlors J; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany., Pennig L; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany., Schlamann M; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany., Bohner G; Department of Neuroradiology, University Hospital Berlin (Charité), Berlin, Germany., Liebig T; Department of Neuroradiology, University Hospital Munich (LMU), Munich, Germany., Turowski B; Department of Neuroradiology, University Hospital Düsseldorf, Düsseldorf, Germany., Dorn F; Department of Neuroradiology, University Hospital Bonn, Bonn, Germany., Deuschl C; Institute for Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany., Wiesmann M; Department of Neuroradiology, University Hospital Aachen, Aachen, Germany., Möhlenbruch MA; Department of Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Kabbasch C; Department of Radiology and Neuroradiology, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany.
Publikováno v:
Journal of neurointerventional surgery [J Neurointerv Surg] 2024 Apr 03. Date of Electronic Publication: 2024 Apr 03.
Autor:
Meyer L; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany lu.meyer@uke.de., Stracke CP; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.; Department of Interventional Neuroradiology, University Hospital Muenster, Muenster, Germany., Broocks G; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany., Wallocha M; Department of Endovascular Therapy, Alfred-Krupp Hospital, Essen, Germany., Elsharkawy M; Department of Interventional Neuroradiology, University Hospital Muenster, Muenster, Germany., Sporns PB; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.; Department of Diagnostic and Interventional Neuroradiology, University Hospital Basel, Basel, Switzerland., Piechowiak EI; Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Switzerland., Kaesmacher J; Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Switzerland., Maegerlein C; Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar, School of Medicine, Technical University Munich, Munich, Germany., Hernandez Petzsche MR; Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar, School of Medicine, Technical University Munich, Munich, Germany., Zimmermann H; Institute of Neuroradiology, University Hospitals, Ludwig-Maximilians-Universität München, Munich, Germany., Naziri W; Department of Neuroradiology, Westpfalz-Klinikum, Kaiserslautern, Germany.; Department of Neuroradiology, University Hospital Luebeck, Luebeck, Germany., Abdullayev N; Department of Neuroradiology, University of Cologne, Cologne, Germany., Kabbasch C; Department of Neuroradiology, University of Cologne, Cologne, Germany., Behme D; Department of Neuroradiology, University Hospital Magdeburg, Magdeburg, Germany., Thormann M; Department of Neuroradiology, University Hospital Magdeburg, Magdeburg, Germany., Maus V; Department of Diagnostic Radiology and Interventional Neuroradiology and Nuclear Medicine, Universitätsklinikum Knappschaftskrankenhaus Bochum, Universitätsklinik der Ruhr-Universität Bochum, Bochum, Germany., Fischer S; Department of Diagnostic Radiology and Interventional Neuroradiology and Nuclear Medicine, Universitätsklinikum Knappschaftskrankenhaus Bochum, Universitätsklinik der Ruhr-Universität Bochum, Bochum, Germany., Möhlenbruch MA; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany., Weyland CS; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany., Langner S; Institute for Diagnostic and Interventional Radiology, Pediatric and Neuroradiology, University Hospital Rostock, Rostock, Germany., Ernst M; Department of Diagnostic and Interventional Neuroradiology, University Medical Centre Goettingen, Goettingen, Germany., Jamous A; Department of Diagnostic and Interventional Neuroradiology, University Medical Centre Goettingen, Goettingen, Germany., Meila D; Department of Interventional Neuroradiology, Johanna-Étienne-Hospital, Neuss, Germany., Miszczuk M; Institute of Neuroradiology, Charité Universitätsmedizin Berlin, Berlin, Germany., Siebert E; Institute of Neuroradiology, Charité Universitätsmedizin Berlin, Berlin, Germany., Lowens S; Department of Radiology, Klinikum Osnabrück, Osnabrück, Germany., Krause LU; Department of Neurology, Klinikum Osnabrück, Osnabrück, Germany., Yeo LL; Division of Neurology, National University Health System, Singapore.; Yong Loo Lin School of Medicine, National University of Singapore, Singapore., Tan BYQ; Division of Neurology, National University Health System, Singapore.; Yong Loo Lin School of Medicine, National University of Singapore, Singapore., Gopinathan A; Yong Loo Lin School of Medicine, National University of Singapore, Singapore.; Division of Interventional Radiology, Department of Diagnostic imaging, National University Health System, Singapore., Gory B; Université de Lorraine, CHRU-Nancy, Department of Diagnostic and Therapeutic Neuroradiology, F-54000 Nancy, France, Université de Lorraine, IADI, INSERM U1254, F-54000, Nancy, France., Galvan Fernandez J; Department of Interventional Neuroradiology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain., Schüller Arteaga M; Department of Interventional Neuroradiology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain., Navia P; Department of Neuroradiology, Hospital Universitario La Paz, Madrid, Spain., Raz E; Department of Radiology, New York Langone Medical Center, New York, New York, USA., Shapiro M; Department of Radiology, New York Langone Medical Center, New York, New York, USA., Arnberg F; Departments of Neuroradiology; Department of Clinical Neuroscience, Karolinska University Hospital; Karolinska Institutet, Stockholm, Sweden., Zeleňák K; Department of Radiology, Comenius University's Jessenius Faculty of Medicine and University Hospital, Martin, Slovakia., Martínez-Galdámez M; Department of Interventional Neuroradiology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain., Alexandrou M; Diagnostic and Interventional Neuroradiology, Klinikum Bremen-Mitte gGmbH, Bremen, Germany., Kastrup A; Department of Neurology, Hospital Bremen-Mitte, Bremen, Germany., Papanagiotou P; Diagnostic and Interventional Neuroradiology, Klinikum Bremen-Mitte gGmbH, Bremen, Germany.; Department of Radiology, Areteion University Hospital, National and Kapodistrian University of Athens, Athens, Greece., Dorn F; Department of Neuroradiology, University Hospital Bonn, Bonn, Germany., Kemmling A; Department of Neuroradiology, University Hospital Marburg, Marburg, Germany., Psychogios MN; Department of Diagnostic and Interventional Neuroradiology, University Hospital Basel, Basel, Switzerland., Andersson T; Departments of Neuroradiology; Department of Clinical Neuroscience, Karolinska University Hospital; Karolinska Institutet, Stockholm, Sweden.; Department of Medical Imaging, AZ Groeninge, Kortrijk, Belgium., Chapot R; Department of Endovascular Therapy, Alfred-Krupp Hospital, Essen, Germany., Fiehler J; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany., Hanning U; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Publikováno v:
Journal of neurointerventional surgery [J Neurointerv Surg] 2024 Feb 12; Vol. 16 (3), pp. 230-236. Date of Electronic Publication: 2024 Feb 12.
Autor:
Jesser J; Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Nguyen T; Neurology, Boston University School of Medicine, Boston, Massachusetts, USA., Dmytriw AA; St. Michael's Hospital, Departments of Medical Imaging and Neurosurgery, Neurovascular Center, University of Toronto, Toronto, Ontario, Canada.; Neuroendovascular Program, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA., Yamagami H; Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan., Miao Z; Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Beijing, China., Sommer LJ; Neuroradiology, University Hospital Aachen, Aachen, Germany., Stockero A; Neuroradiology, University Hospital Aachen, Aachen, Germany., Pfaff JAR; University Insitute for Neuroradiology at PMU, Uniklinikum Salzburg-Christian-Doppler-Klinik, Salzburg, Austria., Ospel J; Departments of Diagnostic Imaging and Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada., Goyal M; Departments of Diagnostic Imaging and Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada., Patel AB; Neuroendovascular Program, Massachusetts General Hospital, Boston, Massachusetts, USA., Pereira VM; Department of Neurosurgery, Unity Health Toronto, Toronto, Ontario, Canada., Hanning U; Universitatsklinikum Hamburg Eppendorf Klinik und Poliklinik fur Neuroradiologische Diagnostik und Intervention, Hamburg, Germany., Meyer L; Diagnostic and Interventional Neuroradiology, Universitatsklinikum Hamburg Eppendorf Klinik und Poliklinik fur Neuroradiologische Diagnostik und Intervention, Hamburg, Germany., van Zwam WH; Radiology, Maastricht University Medical Center, Maastricht, The Netherlands., Bendszus M; Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Wiesmann M; Neuroradiology, University Hospital Aachen, Aachen, Germany., Möhlenbruch M; Neuroradiology, University Hospital Heidelberg, Heidelberg, Germany., Weyland CS; Neuroradiology, University Hospital Aachen, Aachen, Germany cweyland@ukaachen.de.
Publikováno v:
Stroke and vascular neurology [Stroke Vasc Neurol] 2023 Dec 19. Date of Electronic Publication: 2023 Dec 19.
Autor:
Weyland CS; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany.; Department of Neuroradiology, RWTH Aachen University, Aachen, Germany., Mutke MA; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany.; Department of Neuroradiology, University Hospital of Basel, Basel, Switzerland., Zimmermann-Miotk A; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Schmitt N; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Chen M; Department of Neurology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Schönenberger S; Department of Neurology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Möhlenbruch M; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Bendszus M; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany., Jesser J; Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Baden-Wuürttemberg, Germany.
Publikováno v:
Frontiers in neurology [Front Neurol] 2023 Sep 29; Vol. 14, pp. 1266105. Date of Electronic Publication: 2023 Sep 29 (Print Publication: 2023).