1. Sierra Pacific Mental Illness Research, Education, and Clinical Center, San Francisco Veterans Affairs Medical Center, San Francisco, California2Department of Psychiatry, University of California, San Francisco
2. Department of Psychiatry, University of California, San Francisco
3. Laboratory of Epidemiology and Populations Science, Intramural Research Program, National Institute on Aging, Bethesda, Maryland
4. Section on Gerontology and Geriatric Medicine, Department of Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina
5. Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis
6. Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania
7. Department of Epidemiology and Biostatistics, University of California, San Francisco
8. Sierra Pacific Mental Illness Research, Education, and Clinical Center, San Francisco Veterans Affairs Medical Center, San Francisco, California2Department of Psychiatry, University of California, San Francisco7Department of Epidemiology and Biostatistics