1. Section of Men's Health: Aging and Metabolism, Brigham and Women's Hospital; Harvard Medical School; Brookline Massachusetts
2. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, School of Medicine; Duke University; Durham North Carolina
3. Department of Biostatistics, School of Public Health; Boston University; Boston Massachusetts
4. Division of Epidemiology and Community Health, Department of Medicine; University of Minnesota; Minneapolis Minnesota
5. Center for Chronic Disease Outcomes Research; Veterans Affairs Health Care System; Minneapolis Minnesota
6. Department of Epidemiology, Graduate School of Public Health; University of Pittsburgh; Pittsburgh Pennsylvania
7. Research Institute; California Pacific Medical Center; San Francisco California
8. Department of Epidemiology; University of California, San Francisco; San Francisco California
9. Department of Epidemiology, School of Public Health; Boston University; Boston Massachusetts