Výsledky vyhledávání - "McQuarrie, Carolyn"

Akademický článek

Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.

Periodical

The Social Media Index as an Indicator of Quality for Emergency Medicine Blogs: A METRIQ Study

Autor: Thoma, Brent, Chan, Teresa M., Kapur, Puneet, Sifford, Derek, Siemens, Marshall, Paddock, Michael, Ankel, Felix, Grock, Andy, Lin, Michelle, Alexander, Charlotte, Alkhalifah, Mohammed, Almehlisi, Abdulaziz S., Alqahtani, Saeed, Anderson, Scott, Anderson, Shelaina, Andrews, Colin, Andruko, Jocelyn, Ankel, Felix, Antony, Nikytha, Aryal, Diptesh, Backus, Barbra, Baird, Jennifer, Baker, Andrew, Batty, Sarah, Baylis, Jared, Beaumont, Braeden, Belcher, Chris, Benavides, Brent, Benham, Michael, Botta, Julian, Bouchard, Nicholas, Brazil, Victoria, Brumfield, Emily, Bryson, Anthony, Bunchit, Wisarut, Butler, Kat, Buzikievich, Lindy, Calcara, David, Carey, Rob, Carroll, Stephen, Cassidy, Louise, Challen, Kirsty, Chan, Kathryn, Chaplin, Tim, Chatham-Zvelebil, Natasha, Chen, Eric, Chen, Lucy, Chhabra, Sushant, Chin, Alvin, Chochi, Eric, Choudhri, Tina, Christensen, Jeremy, Colmers-Gray, Isabelle, Connors, Kimberly, Coppersmith, Veronica, Cosgrove, Abby, Costello, Gregory, Cullison, Kevin, D'Alessandro, Andrew, de Wit, Kerstin, Decock, Marie, Delbani, Rayan, Denq, William, Deutscher, Julianna, Devine, Brendan, Dorsett, Maia, Duda, Taylor, Dueweke, Justin, Dunphy, Teresa, Dyer, Sean, Eastley, Karthryn T, Edmonds, Marcia, Edwards, Ken, Ehrman, Robert, Elkhalidy, Youness, Fedor, Preston, Ficiur, Brian, Flynn, Caley, Fraser, Bill, Fu, Meagan, Fukakusa, James, Funk, Eric, Gaco, Damjan, Gawlik, Viktor, Ghaffarian, Kenn, Gharahbaghian, Laleh, Griffith, Phil, Griffith, Andrew, Grock, Andrew, Gronowski, Tanner, Grossman, Cathy, Gucwa, Jaroslaw, Gupta, Pawan, Gustafson, Alexandra, Guy, Andrew, Haas, Mary, Haciski, Stanislaw, Hajdinjak, Emina, Hall, Andrew K., Hammock, Regina, Hansel, Jan, Hart, Alexander, Hattin, Larissa, Herb, Brandon, Hilbert, SueLin, Hill, Jesse, Hill, Jeff, Ho, Amy, House, Emily, House, Nina, Huffman, James, Inboriboon, Charlie, Ireland, Alex, Jamal, Ali, Ali Jamil, Mohammad, Jansen, Victor, Jarou, Zach, Jia, Vivian, Johnston, Levi, Kalnow, Drew, Kapur, Puneet, Kelly, Seth, Kelson, Kyle, Kent, William, Khakhkhar, Rishi, Khurana, Jaasmit, Kilp, Ashley, Knapp, Scott, Kohler, Sebastian, Kruhlak, Ivanna, Lalani, Nadim, Lam, Samantha, Lank, Patrick, Laurie, Zander, Lea, Kristina, Leber, Ernest, Lee, Ching-Hsing, Lenes, Haakon, Lenora, Nilantha, Leontowicz, Jesse, Lien, Kelly, Lin, Yingchun, Lin, Michelle, Little, Andrew, Liu, Ivy, Liu, Harry, Liu, Steve, Louka, Stephanie, Lovell, Elise, Lowe, David, Lubberdink, Ashley, Luc, Jessica, Lyons, Casey, Ma, Sheng-Hsiang, MacLeod, Hugh, Mancuso, Nick, Maneshi, Anali, May, Jesse, Mayo, John, McDonnell, Mike, McLellan, Susan, McQuarrie, Carolyn, Nood, Julia, Mead, Therese, Meeuwisse, Cory, Meloy, Patrick, Menzies, Perry, Messman, Anne, Miazga, Stephen, Mills, Logan, Milne, Ken, Mix, Allan, Montag, Steve, Moore, Brendan, Morgenstern, Justin, Mott, Sarah, Mukherj, P., Mulla, Ali, Nandalal, Sheena, Nikel, Taylor, Nugent, Sean, Oakland, Morgan, Oberholzer, Werner, Otugo, Onyeka, Oyedokun, Taofiq Segun, Paddock, Mike, Pardhan, Alim, Patel, Kinjal, Paterson, Quinten, Patocka, Catherine, Patterson, Christine, Pearlman, James, Pelletier, Elyse Berger, Pelletier-Bui, Alexis, Phan, Marc, Poonja, Zafrina, Powell, Aubrey, Premkumar, Kamini, Prosen, Gregor, Puri, Vishal, Quaife, Tanis, Raffel, Ryan, Raja, Ali, Ramunno, Randi, Rang, Louise, Rannazzisi, Suzanne, Regan, Shauna, Rezaie, Salim R., Ridderikhof, Milan, Rogers, Vanessa, Roh, Christine, Rosa Carrillo, Dra. Maria, Rosenberg, Keith, Roure, Marina, Rudinsky, Sherri, Rudner, Joshua, Saleh, Adeeb, Sanderson, Will, Scheirer, Owen, Schofield, Paul, Schunk, Paul, Schwarz, Evan, Shahrabadi, Parisa, Shappell, Eric, Sheffield, Julia, Sherbino, Jonathan, Singh, Manpreet, Singson, Hector C, Slessor, Dave, Smith, Sam, Sneath, Paula, Sobehart, Robert, Spearing, Kerry, Stempien, James, Sternard, Britni, Stratton, Tara, Stuart, Katherine, Stuntz, Bob, Susalla, Michael, Sweeney, Colleen, Swisher, Loice, Swoboda, Henry, Syed, Shahbaz, Taira, Taku, Tambe, Nikhil, Tang, Richard, Targonsky, Elisha, Taylor, Rachel, Taylor, Alan, Taylor, Todd, Ting, Paxton, Tiwald, Gerhard, Tran, Kelvin, Tran, Evelyn, Trickovic, Jason, Trinquero, Paul, Trueger, Seth, Tyagi, Aaron, Umana, Manrique, Vallance, Patrick, Van den Berg, Patricia, Vargas, Luis, Verbeek, Rene, Viggers, Sandra, Vlodaver, Zlata, Wagner, Matthew, Walji, Noorin, Walter, Joe, Wan, Miranda, Wang, Rachel, Wanner, Gregory, Warawa, Wyatt, Ward, Mike, Weekes, Jennifer, Weersink, Kristen, Weessies, Cara, Whalen-Browne, Anna, Whiteside, Brian, Willis, Matthew, Wilmer, Jonas, Wong, Nelson, Woodcroft, Mark, Woods, Rob, Yau, Lawrence, Yee, Jessica, Yeh, Calvin, Ming Huang, Simon York, Yurkiw, Katherine, Zaver, Fareen, Zozula, Alexander

Publikováno v: Annals of Emergency Medicine; December 2018, Vol. 72 Issue: 6 p696-702, 7p

Zobrazit plný text záznamu

Akademický článek

The revised Approved Instructional Resources score: An improved quality evaluation tool for online educational resources.

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).

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání