1. Paramedic Operations, Peel Regional Paramedic Services, Brampton, Ontario, Canada
2. Sunnybrook Centre for Prehospital Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
3. Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
4. Department of Family and Community Medicine, Division of Emergency Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
5. Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, Ontario, Canada