1. Division of Endocrinology, Diabetes and Clinical Nutrition, Oregon Health & Science University, Portland, Oregon.
2. Biostatistics & Design Program, Oregon Health & Science University – Portland State University School of Public Health, Portland, Oregon.
3. University of California San Francisco–San Francisco General Hospital, San Francisco, California.
4. Geriatric Research Education and Clinical Center, VA Health Care System, Minneapolis, Minnesota.
5. Department of Psychiatry, Neurology, and Epidemiology, University of California, San Francisco, San Francisco, California.
6. Department of Medicine, Stanford University, Stanford, California.
7. Department of Medicine and Epidemiology & Biostatistics, University of California, San Francisco, California.