1 Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, VA Puget Sound Health Care System and University of Washington, Seattle.
2 Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, CA.
3 Division of Endocrinology, Department of Medicine, University of North Carolina, Chapel Hill, NC.
4 Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD.