1. Division of Critical Care, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
2. Department of Emergency Medicine, University of Ottawa, Ottawa, Ontario, Canada
3. Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
4. School of Epidemiology and Public Health, University of Ottawa, Ottawa Ontario Canada
5. Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
6. Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Ontario, Canada