Zobrazeno 1 - 10
of 621
pro vyhledávání: '"Lenora N"'
Publikováno v:
In Personality and Individual Differences 2007 43(7):1733-1743
Autor:
Heming, Joanne E., Brown, Lenora N.
Publikováno v:
In Brain and Cognition 2005 59(2):173-182
Publikováno v:
Journal of Clinical & Experimental Neuropsychology. Sep2003, Vol. 25 Issue 6, p783-792. 10p.
Autor:
Brown, Lenora N., Sainsbury, Robert S.
Publikováno v:
Journal of Clinical & Experimental Neuropsychology. Oct2000, Vol. 22 Issue 5, p587. 12p.
Publikováno v:
Experimental Aging Research. Jan-Mar99, Vol. 25 Issue 1, p81. 13p. 1 Graph.
Autor:
Grock A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA., Jordan J; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA., Zaver F; Division of Emergency Medicine University of Calgary Calgary Alberta Canada., Colmers-Gray IN; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada., Krishnan K; Department of Family Medicine McMaster University Hamilton Ontario Canada., Chan T; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada., Thoma B; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Alexander C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Alkhalifah M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Almehlisi AS; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Alqahtani S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Anderson S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Anderson S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Andrews C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Andruko J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Antony N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Aryal D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Backus B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Baird J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Baker A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Batty S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Baylis J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Beaumont B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Belcher C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Benavides B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Benham M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Botta J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Berger Pelletier E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Bouchard N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Brazil V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Brumfield E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Bryson A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Bunchit W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Butler K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Buzikievich L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Calcara D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Carey R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Carrillo MR; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Carroll S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lyons C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Cassidy L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Challen K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chan K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chaplin T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chatham-Zvelebil N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chen E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chen L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chhabra S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chin A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Chochi E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Choudhri T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Christensen J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Connors K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Coppersmith V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Cosgrove A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Costello G; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Cullison K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., D'Alessandro A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wit K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Decock M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Delbani R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Denq W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Deutscher J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Devine B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Dorsett M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Duda T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Dueweke J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Dunphy T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Dyer S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Eastley KT; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Edmonds M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Edwards K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ehrman R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Elkhalidy Y; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Fedor P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ficiur B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Flynn C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Fraser B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Fu M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Fukakusa J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Funk E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gaco D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gawlik V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ghaffarian K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gharahbaghian L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Griffith A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Griffith P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gronowski T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Grossman C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gucwa J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gupta P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Gustafson A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Guy A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Haas M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Haciski S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hajdinjak E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hall AK; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hammock R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hansel J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hart A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hattin L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Herb B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hilbert S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hill J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Hill J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ho A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., House E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., House N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Huang SYM; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Huffman J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Inboriboon C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ireland A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Jamal A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Jamil MA; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Jansen V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Jarou Z; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Jia V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Johnston L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kalnow D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kapur P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kelly S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kelson K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kent W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Khakhkhar R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Khurana J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kilp A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Knapp S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kohler S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Kruhlak I; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lalani N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lam S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lank P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Laurie Z; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lea K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Leber E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lee CH; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lenes H; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lenora N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Leontowicz J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lien K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lin M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lin Y; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Little A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Liu H; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Liu I; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Liu S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Louka S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lovell E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lowe D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Lubberdink A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Luc J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ma SH; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., MacLeod H; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mancuso N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Maneshi A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., May J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mayo J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., McDonnell M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., McLellan S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., McQuarrie C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mead T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Meeuwisse C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Meloy P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Menzies P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Messman A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Miazga S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mills L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mix A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Montag S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Moore B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Morgenstern J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mott S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mukherj P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Mulla A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Nandalal S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Nikel T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Nood J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Nugent S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Oakland M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Oberholzer W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Otugo O; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Oyedokun TS; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Pardhan A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Patel K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Paterson Q; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Patocka C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Patterson C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Pearlman J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Pelletier-Bui A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Phan M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Poonja Z; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Powell A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Premkumar K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Prosen G; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Puri V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Quaife T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Raffel R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Raja A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ramunno R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rang L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rannazzisi S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Regan S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rezaie SR; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ridderikhof M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rogers V; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Roh C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rosenberg K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Roure M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rudinsky S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Rudner J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Saleh A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sanderson W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Scheirer O; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Schofield P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Schunk P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Schwarz E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Shahrabadi P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Shappell E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sheffield J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Singh M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Singson HC; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Slessor D; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Smith S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sneath P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sobehart R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Spearing K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Stempien J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sternard B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Stratton T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Stuart K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Stuntz B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Susalla M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Sweeney C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Swisher L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Swoboda H; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Syed S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Taira T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tambe N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tang R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Targonsky E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Taylor A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Taylor R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Taylor T; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ting P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tiwald G; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tran E; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tran K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Trickovic J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Trinquero P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Tyagi A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Umana M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Vallance P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Van den Berg P; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., van Diepen K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Vargas L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Verbeek R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Viggers S; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Vlodaver Z; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wagner M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Walji N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Walter J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wan M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wang R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wanner G; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Warawa W; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Ward M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Weekes J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Weersink K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Weessies C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Whalen-Browne A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Whiteside B; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Willis M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wilmer J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Wong N; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Woodcroft M; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Woods R; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Yau L; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Yee J; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Yeh C; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Yurkiw K; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Zaver F; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada., Zozula A; Division of Emergency Medicine Greater Los Angeles VA Healthcare System Los Angeles California USA.; David Geffen School of Medicine UCLA Los Angeles California USA.; Ronald Reagan UCLA Medical Center David Geffen School of Medicine at UCLA Los Angeles California USA.; Division of Emergency Medicine University of Calgary Calgary Alberta Canada.; Department of Emergency Medicine University of Alberta Edmonton Alberta Canada.; Department of Family Medicine McMaster University Hamilton Ontario Canada.; Division of Emergency Medicine and Division of Education & Innovation Department of Medicine McMaster University Hamilton Ontario Canada.; Faculty of Health Sciences McMaster University Hamilton Ontario Canada.; Department of Emergency Medicine University of Saskatchewan Saskatoon Saskatchewan Canada.; Royal College of Physicians and Surgeons of Canada Ottawa Ontario Canada.
Publikováno v:
AEM education and training [AEM Educ Train] 2021 May 16; Vol. 5 (3), pp. e10601. Date of Electronic Publication: 2021 May 16 (Print Publication: 2021).
Publikováno v:
Personality and Individual Differences. 43:1733-1743
The relationship between sensory discrimination and individual differences in intelligence has received renewed attention. This study examined the relationship between tactile temporal thresholds (including interhemispheric transfer times) and nonver
Publikováno v:
Journal of Visual Impairment & Blindness. 98:241-246
Autor:
Lenora N. Brown, Joan N. Vickers
Publikováno v:
Experimental Brain Research. 154:76-84
This study investigated temporal processing abilities, hemispheric asymmetry, interhemispheric transfer, and stimulant medication effects in adolescents with attention deficit hyperactivity disorder (ADHD). Pairs of light emitting diodes in a visual
Publikováno v:
Journal of Clinical and Experimental Neuropsychology. 25:783-792
This preliminary study investigated the potential of a cerebral lateralization technique that measures both, temporal judgements to sensory stimuli and interhemispheric transfer time (IHTT), as an outcome measure in multiple sclerosis (MS). Tactile s