1. Keenan Research Centre, Li Ka Shing Knowledge Institute, and
2. Interdepartmental Division of Critical Care Medicine,
3. Department of Diagnostic and Public Health, University of Verona, Verona, Italy;
4. Institute of Health Policy, Management, and Evaluation,
5. Trauma Division, Unity Health Toronto (St. Michael’s Hospital), Toronto, Ontario, Canada;
6. Department of Anesthesia, and
7. Department of Surgery, University of Toronto, Toronto, Ontario, Canada;
8. Department of Medicine, University Health Network, Toronto, Ontario, Canada; and
9. Department of Critical Care Medicine, Faculty of Medicine and Dentistry, The University of Alberta, Edmonton, Alberta, Canada