[1] University of Toronto,Division of Emergency Medicine, Department of Medicine
[2] McMaster University,Division of Emergency Medicine, Department of Medicine
[3] London Health Sciences Centre,Department of Emergency Medicine
[4] Dalhousie University,Department of Emergency Medicine
[5] University of British Columbia,Department of Family Practice
[6] McMaster University,Department of Family Medicine
[7] William Osler Health System,Department of Family and Community Medicine
[8] University of Toronto,Department of Family Medicine and Emergency Medicine
[9] Université de Montréal,Department of Paediatrics and Medicine
[10] Western University,undefined