1. Veterans Affairs Portland Health Care System, Division of Mental Health, Portland, OR
2. Department of Psychiatry, Oregon Health & Science University, Portland, OR
3. Oregon Institute of Occupational Health Sciences, Portland, OR
4. Division of Sleep Medicine, Harvard Medical School, Boston, MA
5. Department of Neurology, Massachusetts General Hospital, Boston, MA
6. Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women’s Hospital, Boston, MA