1. Department of Medicine, Division of Respirology, University Health Network, University of Toronto, Toronto, ON
2. Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON
3. Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Science, Queen’s University Belfast, Belfast, United Kingdom
4. Regional Intensive Care Unit, Royal Victoria Hospital, Belfast, United Kingdom
5. Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, ON
6. Toronto General Hospital Research Institute, Toronto, ON
7. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON
8. Department of Physiology, University of Toronto, Toronto, ON