[1] Public Health Ontario,Division of Emergency Medicine, Department of Medicine
[2] University of Toronto,Department of Clinical Epidemiology and Biostatistics
[3] University Health Network,Department of Medicine
[4] McMaster University,undefined
[5] KFLA Public Health,undefined
[6] University of Toronto,undefined
[7] University of Ottawa,undefined
[8] Peel Public Health,undefined
[9] Dalla Lana School of Public Health,undefined
[10] University of Toronto,undefined