1. Center for Sleep and Circadian Neurobiology, University of Pennsylvania, Philadelphia, PA
2. Behavioral Sleep Medicine Program, Department of Psychiatry, University of Pennsylvania, Philadelphia, PA
3. Division of Sleep Medicine, Harvard Medical School, Boston, MA
4. Department of Medicine, Brigham and Women's Hospital, Boston, MA
5. Center for Evidence Based Medicine, Elsevier Inc., Philadelphia, PA
6. Brooklyn Health Disparities Center, Department of Medicine, SUNY Downstate Medical Center, Brooklyn, NY
7. Sleep Disorders Center, Department of Medicine, SUNY Downstate Medical Center, Brooklyn, NY