1. Institutes of Medical Science, Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
2. Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, ON, Canada.
3. Sunnybrook Centre for Prehospital Medicine, Toronto, ON, Canada.
4. Division of Emergency Medicine, Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada.
5. Applied Health Research Centre, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, ON, Canada.
6. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
7. Department of Medicine, University of Toronto, Toronto, ON, Canada.