1 Department of Medicine, Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada. Electronic address: monysh@gmail.com.
2 Rescu, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada; Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, Canada.
3 Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
4 Rescu, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.
5 Division of Cardiology and Department of Medicine, St. Michael's Hospital, Toronto, Ontario, Canada.
6 Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.
7 Department of Medicine, Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
8 Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, Canada; Centre for Prehospital Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.