1. Research Institute, California Pacific Medical Center, San Francisco, CA
2. Departments of Psychiatry, Neurology, and Epidemiology, University of California, San Francisco, San Francisco, CA and the San Francisco VA Medical Center
3. Department of Psychiatry, University of California, San Diego, La Jolla, CA
4. Departments of Medicine, Brigham and Women's Hospital and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
5. Center for Chronic Disease Outcomes Research, Veterans Affairs Medical Center, Minneapolis, MN; Department of Medicine and Division of Epidemiology & Community Health, University of Minnesota, Minneapolis, MN
6. Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, CA