1. Research Institute, California Pacific Medical Center , San Francisco, California, USA
2. Department of Epidemiology and Biostatistics, University of California San Francisco , San Francisco, California , USA
3. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
4. Research Program in Men’s Health: Aging and Metabolism; Boston Claude D. Pepper Older Americans Independence Center, Brigham and Women’s Hospital, Harvard Medical School , Boston, Massachusetts , USA
5. Department of Pathology and Laboratory Medicine, University of Vermont Larner College of Medicine , Burlington, Vermont, USA
6. Cardiology Section, San Francisco Veterans Affairs Health Care System, and Departments of Medicine, Epidemiology and Biostatistics, University of California San Francisco , San Francisco, California, USA
7. The Jackson Laboratory and University of Connecticut School of Medicine , Farmington, Connecticut , USA
8. Office of the Scientific Director, National Institute on Aging , Bethesda, Maryland, USA
9. Cardiology Division, Zuckerberg San Francisco General Hospital and Department of Medicine, University of California San Francisco , San Francisco, California, USA
10. Department of Physical Medicine and Rehabilitation, Mayo Clinic , Rochester, Minnesota , USA