부산대학교 도서관

Strehlow M; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Alvarez A; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Blomkalns AL; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Caretta-Wyer H; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Gharahbaghian L; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Imler D; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Khan A; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Lee M; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Lobo V; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Newberry JA; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Ribeira R; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Sebok-Syer SS; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Shen S; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Gisondi MA; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.

Publisher: Wiley Country of Publication: United States NLM ID: 9418450 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1553-2712 (Electronic) Linking ISSN: 10696563 NLM ISO Abbreviation: Acad Emerg Med Subsets: MEDLINE

Thomas H. Gildea; Kenton L. Anderson; Kian R. Niknam; Laleh Gharahbaghian; Sarah R. Williams; Timothy Angelotti; Paul S. Auerbach; Viveta Lobo

Western Journal of Emergency Medicine, Vol 21, Iss 4 (2020)

Howard, Z.D.; Gharahbaghian, L.; Steele, B.J.; Foy, S.; Williams, S.R.

Annals of Emergency Medicine. 60(4):S78-S79

Fox, Christian J.; Boysen, Megan; Gharahbaghian, Laleh; Cusick, Seric; Ahmed, Suleman S.; Anderson, Craig L.; Lekawa, Michael; Langdorf, Mark I.

Academic Emergency Medicine. May 01, 2011 18(5):477-482

Lobo, V.; Joshi, N.; Chao, A.; Poffenberger, C.; Williams, S.; Perera, P.; Gharahbaghian, L.

Western Journal of Emergency Medicine: Integrating Emergency Care with Population Health, vol 16, iss 4.1

Emergency Medicine: Open Access.

Pierog, J.E.; Zaia, B.E.; Bhat, S.R.; Johnson, D.A.; Gharahbaghian, L.; Gilbert, G.H.; Williams, S.R.

Annals of Emergency Medicine. 56(3):S115-S115

Zaia, B.E.; Briese, B.; Gharahbaghian, L.; Williams, S.R.

Annals of Emergency Medicine. 56(3):S98-S98

Smith, Siobhan; Jones, Drew; Pade, Kathryn; Horton, Ryan; Anderson, Kenton L.; Gharahbaghian, Laleh

Fundamentals of Emergency Ultrasound. :105-118

Gharahbaghian, Laleh, MD; Anderson, Kenton L., MD; Lobo, Viveta, MD; Huang, Rwo-Wen, MD; Poffenberger, Cori McClure, MD; Nguyen, Phi D., MD

Emergency Medicine Clinics of North America. 35(2):409-441

Gharahbaghian, Laleh, MD; Hindiyeh, Rasha, MD, MBA; Langdorf, Mark I., MD, MHPE; Vaca, Federico, MD, MPH; Anderson, Craig L., PHD, MPH; Kahn, J. Akiva, MA; Wiechmann, Warren, MD, MBA; Lotfipour, Shahram, MD, MPH

Journal of Emergency Medicine. 40(4):458-462

Anderson, Kenton L., MD; Badakhsh, Orode, MD; Baloescu, Cristiana, MD, MPH; Beck, Christopher M., MD; Campbell, Michael J., MD; Espinoza, Gabriel S., MD; Fananapazir, Ghaneh, MD; Gerscovich, Eugenio O., MD; Ghaffarian, Kenn, DO; Gharahbaghian, Laleh, MD; Gingrich, Alicia A., MD; Horton, Ryan, MD; Jones, Drew, MD; Kelley, Kenneth M., MD, FACEP; Kim, Deborah S., MD; Kimball, Deborah, MD, MBA; Kuhn-Riordon, Kara M., MD; Li, David, MD; Lipsitz, Mindy, MD, MPH; Liu, Rachel, MD; Lobo, Viveta, MD; Martin, David A., MD; McBeth, Christine N., DO; McCarthy, Chad, MD; McGahan, John P., MD; Medeiros, Sarah, MD, MPH; Mills, Lisa D., MD; Nagdev, Arun, MD; Olafsdottir-Gardali, Bjork, MD; Pade, Kathryn H., MD; Palmerlee, Leslie, MD, MPH; Pevec, William C., MD, RVT, RPVI; Ray, Jeremiah W., MD, FACEP, CAQSM; Richards, John R., MD; Rose, John S., MD; Rubens, Deborah J., MD, FACR; Sanchez, Thomas Ray, MD; Schick, Michael, DO, MA, DIMPH, FACEP; Seibert, J. Anthony, PhD; Sekhon, Simran, MBBS; Smith, Siobhan, MD; Soucy, Zachary P., DO, FAAEM, FACEP; Stein-Wexler, Rebecca, MD; Tanji, Jeffrey L., MD; Winters, Leigha J.; Yeh, Jay, MD

Fundamentals of Emergency Ultrasound. :vii-ix

Ravi S; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Graber-Naidich A; Quantitative Sciences Unit Stanford University Palo Alto California USA.; Sebok-Syer SS; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Brown I; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Callagy P; Emergency Services Stanford Health Care Palo Alto California USA.; Stuart K; Emergency Services Stanford Health Care Palo Alto California USA.; Ribeira R; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Gharahbaghian L; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Shen S; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.; Sundaram V; Quantitative Sciences Unit Stanford University Palo Alto California USA.; Yiadom MYAB; Department of Emergency Medicine Stanford University School of Medicine Palo Alto California USA.

Publisher: Elsevier Country of Publication: United States NLM ID: 101764779 Publication Model: eCollection Cited Medium: Internet ISSN: 2688-1152 (Electronic) Linking ISSN: 26881152 NLM ISO Abbreviation: J Am Coll Emerg Physicians Open Subsets: PubMed not MEDLINE

Ravi S; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA sravi1@stanford.edu.; Patel SR; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Laurence SK; Emergency Services, Stanford Health Care, Stanford, California, USA.; Sebok-Syer SS; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.; Gharahbaghian L; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California, USA.

Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101757339 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2398-631X (Electronic) Linking ISSN: 2398631X NLM ISO Abbreviation: BMJ Lead Subsets: MEDLINE

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.

Publisher: Wiley Country of Publication: United States NLM ID: 101722142 Publication Model: eCollection Cited Medium: Internet ISSN: 2472-5390 (Electronic) Linking ISSN: 24725390 NLM ISO Abbreviation: AEM Educ Train Subsets: PubMed not MEDLINE

Lee MO; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Ribeira R; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Fang A; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Cantwell L; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Khanna K; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Smith C; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.; Gharahbaghian L; Department of Emergency Medicine Stanford University School of Medicine Stanford California USA.

Publisher: Elsevier Country of Publication: United States NLM ID: 101764779 Publication Model: eCollection Cited Medium: Internet ISSN: 2688-1152 (Electronic) Linking ISSN: 26881152 NLM ISO Abbreviation: J Am Coll Emerg Physicians Open Subsets: PubMed not MEDLINE

Lee MO; Stanford University School of Medicine, Department of Emergency Medicine, Stanford, California.; Altamirano J; Stanford University School of Medicine, Office of Faculty Development and Diversity, Stanford, California.; Garcia LC; Stanford University School of Medicine, Office of Faculty Development and Diversity, Stanford, California.; Gisondi MA; Stanford University School of Medicine, Department of Emergency Medicine, Stanford, California.; Wang NE; Stanford University School of Medicine, Department of Emergency Medicine, Stanford, California.; Lippert S; Kaiser-Permanente East Bay, Department of Emergency Medicine, Oakland, California.; Maldonado Y; Stanford University School of Medicine, Office of Faculty Development and Diversity, Stanford, California.; Gharahbaghian L; Stanford University School of Medicine, Department of Emergency Medicine, Stanford, California.; Ribeira R; Stanford University School of Medicine, Department of Emergency Medicine, Stanford, California.; Fassiotto M; Stanford University School of Medicine, Office of Faculty Development and Diversity, Stanford, California.

Publisher: Department of Emergency Medicine, University of California, Irvine Country of Publication: United States NLM ID: 101476450 Publication Model: Electronic Cited Medium: Internet ISSN: 1936-9018 (Electronic) Linking ISSN: 1936900X NLM ISO Abbreviation: West J Emerg Med Subsets: MEDLINE

Hootman, J.; Gharahbaghian, L.

In: Visual Journal of Emergency Medicine. (Visual Journal of Emergency Medicine, October 2020, 21)

Ramarajan N; Division of Emergency Medicicine, University of California Los Angeles, 924 Westwood Boulevard, Suite 300, Los Angeles, CA, 90095.; Krishnamoorthi R; Gharahbaghian L; Pirrotta E; Barth RA; Wang NE

Publisher: Wiley Subscription Services, Inc Country of Publication: United States NLM ID: 0401663 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-0096 (Electronic) Linking ISSN: 00912751 NLM ISO Abbreviation: J Clin Ultrasound Subsets: MEDLINE

Lamsam L; School of Medicine, Stanford University, Stanford, USA.; Gharahbaghian L; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, USA.; Lobo V; Department of Emergency Medicine, Stanford University School of Medicine, Stanford, USA.

Publisher: Cureus, Inc Country of Publication: United States NLM ID: 101596737 Publication Model: Electronic Cited Medium: Print ISSN: 2168-8184 (Print) Linking ISSN: 21688184 NLM ISO Abbreviation: Cureus Subsets: PubMed not MEDLINE