1. Division of Pulmonary, Critical Care, and Sleep Medicine, University of Miami Miller School of Medicine, Miami, Florida
2. Division of Critical Care Medicine, Albert Einstein College of Medicine, Bronx, New York
3. Department of Critical Care Medicine
4. Department of Community Health Sciences, and
5. O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
6. Alberta Health Services, Edmonton, Alberta, Canada
7. Department of Critical Care Medicine, Sunnybrook Hospital, Toronto, Ontario, Canada; and
8. Department of Anesthesiology and
9. Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada