CIUSSS de-l'Est-de-l'Île-de-Montréal - Hôpital Maisonneuve-Rosemont, Montreal, QC, Canada. Department of Critical Care Medicine, Université de Sherbrooke, Sherbrooke, QC, Canada. Centre de recherche du CHU de Sherbrooke, Sherbrooke, QC, Canada. Centre de Recherche Hôpital du Sacré-Coeur de Montréal, Université de Montréal, Montréal, QC, Canada. CHU de Québec - Université Laval Research Center, Population Health and Optimal Health Practices Research Unit, (Traumatology-Emergency-Critical Care Medicine), Université Laval, Québec City, QC, Canada. Division of Critical Care Medicine, Department of Anesthesiology and Critical Care Medicine, Université Laval, Québec City, QC, Canada. Departments of Surgery and Critical Care Medicine, McGill University Health Centre, Montreal, QC, Canada. Department of Medicine, University of Manitoba, Winnipeg, MB, Canada. Nova Scotia Health Authority and the Department of Critical Care Medicine Dalhousie University, Halifax, NS, Canada. Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada. Department of Critical Care Medicine, Faculty of Medicine and Dentistry, The University of Alberta, Edmonton, AB, Canada. Division of Critical Care Medicine, Department of Medicine, London Health Sciences Centre & Schulich School of Medicine and Dentistry, Western University, London, ON, Canada. Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH. Clinical Evaluation Research Unit, Kingston General Hospital, Kingston, ON, Canada.