1. Department of Pulmonary, Allergy, and Critical Care Medicine and
2. Center for Sleep and Cardiovascular Outcomes Research, University of Pittsburgh, Pittsburgh, Pennsylvania
3. Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital, Boston, Massachusetts
4. Oregon Institute of Occupational Health Sciences and
5. Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon
6. Division of Sleep and Circadian Disorders, Harvard Medical School, Boston, Massachusetts; and