1. Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
2. Inter-Departmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
3. Department of Critical Care Medicine, St. Michael’s Hospital, Toronto, ON, Canada.
4. Ingram School of Nursing, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada.
5. Department of Critical Care, General Campus, The Ottawa Hospital, Ottawa, ON, Canada.
6. Department of Anesthesiology, Toronto Western Hospital, Toronto, ON, Canada.
7. Center for Health Evaluation and Outcome Sciences and Division of Critical Care, University of British Columbia, Vancouver, BC, Canada.