1. Duke University School of Medicine, Division of Geriatrics, Durham, NC, USA
2. Duke University Center for the Study of Aging and Human Development, Durham, NC, USA
3. Duke University School of Medicine, Division of Cardiology, Durham, NC, USA
4. Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, USA
5. Claude D. Pepper Older Americans Independence Center, Duke University School of Medicine, Durham, NC, USA
6. Duke University School of Medicine, Division of Rheumatology and Immunology, Durham, NC, USA
7. Department of Psychiatry, University of North Carolina, Chapel Hill, Chapel Hill, NC, USA
8. Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA
9. Geriatric Research, Education, and Clinical Center, Veterans Affairs Medical Center, Durham, NC, USA
10. Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC, USA
11. Department of Medicine, Duke University School of Medicine, Division of Endocrinology, Metabolism, and Nutrition, Durham, NC, USA
12. Duke University Clinical and Translational Science Institute, Durham, NC, USA