6 Sleep Medicine Clinic, Fort Belvoir Community Hospital, Ft Belvoir, VA 22060, USA.
7 Global and Environmental Public Health Program, New York University School of Global Public Health, New York, NY, USA.
8 Department of Pharmaceutical Health Services Research, University of Maryland School of Pharmacy, Baltimore, MD 21201, USA.
9 Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Palo Alto, CA 94305, USA.
10 Department of Family Medicine, Fort Belvoir Community Hospital, Ft Belvoir, VA 22060, USA.
11 Sleep Research Center, Henry Ford Hospital, Detroit, MI 48377, USA.
12 Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
13 Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ 85724, USA.
14 Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
15 Department of Medicine, Sleep Disorders Center, Division of Pulmonary and Critical Care Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.