1. Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
2. Department of Anesthesia and Pain Management, University Health Network, Toronto General Hospital, Toronto, Ontario, Canada
3. Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
4. Interdepartmental Division of Critical Care, University of Toronto, Li Ka Shing Knowledge Institute, Toronto, Ontario, Canada
5. Department of Anesthesia, St Michael’s Hospital, Toronto, Ontario, Canada
6. Department of Intensive Care Medicine, King AbdulAziz Medical City, Riyadh, Saudi Arabia