1. Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, New York;
2. Center for Sleep and Brain Health, Department of Psychiatry, New York University Grossman School of Medicine, New York, New York; and
3. Institute of Pneumology at the University of Cologne, Department of Pneumology and Allergology, Center of Sleep Medicine and Respiratory Care, Bethanien Hospital, Solingen, Germany