1. Department of Medicine, Division of Physiatry, University of Toronto, Ontario, Canada
2. Royal College of Physicians and Surgeons of Canada, Ottawa, Canada
3. Internal Medicine and Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
4. University of California, San Francisco, San Francisco, CA, USA
5. Pediatrics, Baylor College of Medicine, Houston, TX, USA
6. Department of Emergency Medicine, Queen’s University, Kingston, Canada
7. Department of Family Medicine, University of Alberta, Edmonton, Canada
8. Department of Emergency Medicine, University of Saskatchewan, Saskatoon, Canada
9. Department of Family Medicine, Queen’s University, Kingston, Canada