1. Division of Endocrinology and Metabolism, Department of Internal Medicine, University of North Carolina, Chapel Hill
2. Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan, Ann Arbor
3. Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor
4. School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor
5. Institute of Gerontology, University of Michigan, Ann Arbor