1. Department of Emergency Medicine University of Ottawa Ottawa Ontario Canada
2. Division of Critical Care, Department of Medicine University of Ottawa Ottawa Ontario Canada
3. Division of General Surgery, Department of Surgery University of Ottawa Ottawa Ontario Canada
4. School of Epidemiology and Public Health University of Ottawa Ottawa Ontario Canada
5. Department of Biostatistics, Yale School of Public Health Yale University New Haven Connecticut USA
6. Department of Medicine, Division of Critical Care McMaster University Hamilton Ontario Canada
7. Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton Ontario Canada
8. Division of Vascular Surgery, Department of Surgery University of Ottawa Ottawa Ontario Canada
9. Clinical Epidemiology Program; Ottawa Hospital Research Institute Ottawa Ontario Canada
10. Department of Anesthesiology and Pain Medicine University of Ottawa Ottawa Ontario Canada