1. Research Institute, California Pacific Medical Center, San Francisco, CA
2. Departments of Psychiatry, Neurology, and Epidemiology, University of California, San Francisco, San Francisco VA Medical Center, San Francisco, CA
3. Department of Psychiatry and Medicine, University of California, San Diego, La Jolla, CA and the Veterans Affairs San Diego Center of Excellence for Stress and Mental Health, San Diego, 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 and Community Health, University of Minnesota, Minneapolis, MN