1. Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Cœur de Montréal, Montreal, Canada
2. Université de Montréal, Montreal, Canada
3. Canadian Sleep and Circadian Network, Canada
4. Center for Brain Health, New York University Langone Medical Center, Manhattan, New York
5. Nathan S. Kline Institute for Psychiatric Research, Orangeburg, New York; and
6. Respiratory Epidemiology and Clinical Research Unit, Respiratory Division and Sleep Laboratory, Department of Medicine, McGill University Health Center, Montreal, Canada