Debra Eagles1, Brittany Ellis2, Don Melady3. 1. Department of Emergency Medicine and School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON. 2. Department of Emergency Medicine, University of Saskatchewan, Saskatoon, SK. 3. Schwartz-Reisman Emergency Medicine Institute, Mount Sinai Hospital, Department of Family and Community Medicine, University of Toronto, Toronto, ON.