1. Division of General Internal Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
2. Beth Israel Deaconess Medical Center, Boston, MA, USA
3. Department of Critical Care Medicine, Surrey Memorial Hospital, Surrey, British Columbia, Canada
4. Centre for Heart Lung Innovation (HLI), University of British Columbia, Vancouver, British Columbia, Canada
5. Division of Critical Care Medicine, St. Paul’s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
6. Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA