1. Department of Psychiatry and Behavioral Sciences, Stanford University, California
2. Mental Illness Research, Education, and Clinical Center, VA Palo Alto Health Care System, California
3. Stanford Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, California
4. California Pacific Medical Center Research Institute, San Francisco
5. Department of Medicine, Stanford University, California
6. Department of Psychiatry, University of California, San Diego, La Jolla
7. Department of Medicine, University of California, San Diego, La Jolla