Affiliation: | Centre for Research on Inner City Health, Department of Emergency Medicine, St. Michael's Hospital, and the Division of Emergency Medicine;Department of Medicine, University of Toronto, Toronto, Ontario, Canada;Prehospital and Transport Medicine Research Program, Toronto Emergency Medical Services;Department of Emergency Services, Sunnybrook and Women's College Health Sciences Center, Toronto, Ontario, Canada;Institute for Clinical and Evaluative Sciences, Toronto, Ontario, Canada;Department of Health Policy, Management and Evaluation, University of Toronto, (LJM), Toronto, Ontario, Canada. |