1. Sleep Disorders Program
2. Division of Respiratory Medicine and
3. Division of Critical Care Medicine, Department of Medicine, and
4. Canadian Sleep and Circadian Network and
5. Centre for Heart, Lung, and Vascular Health, School of Health and Exercise Science, University of British Columbia, Kelowna, British Columbia, Canada
6. Division of Pulmonary, Critical Care, and Sleep, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York; and
7. Division of Cardiology, Department of Medicine, University Health Network and Sinai Health System, University of Toronto, Toronto, Ontario, Canada
8. Department of Anesthesiology, Pharmacology, and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada