1. Department of Critical Care, Respiratory Institute, Cleveland Clinic, Cleveland, Ohio;
2. Department of Medicine, Louisiana State University Health Sciences Center, Shreveport, Louisiana;
3. Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Toronto, Ontario, Canada;
4. Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada;
5. Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland; and
6. Division of Pulmonary, Critical Care, and Sleep Medicine, Tufts Medical Center, Boston, Massachusetts