1. London Health Sciences Centre, Ontario, Canada
2. Mount Sinai Hospital, University of Toronto, Ontario, Canada
3. Cardiothoracic and Vascular Intensive Care Unit, Auckland, New Zealand
4. Population Health Research Institute, Hamilton, Ontario, Canada
5. Ottawa Hospital Research Institute, Ontario, Canada
6. St. Michael’s Hospital, Toronto, Ontario, Canada
7. Yale University, New Haven, Connecticut, USA
8. Department of Critical Care Medicine, University of Alberta, Edmonton, Canada
9. Rigshospitalet, Copenhagen University Hospital, Denmark
10. Foothills Medical Centre, University of Calgary, Alberta, Canada
11. McMaster University, Hamilton, Ontario, Canada
12. St. Michael’s Hospital, University of Toronto, Ontario, Canada
13. Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
14. Applied Health Research Centre, Li Ka Shing Knowledge Institute of St. Michael’s Hospital, Toronto, Ontario, Canada