1. From the Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA (K.I., T.S.)
2. Division of Cardiology (D.G., K.E.W.), Department of Medicine, UCLA, Los Angeles, CA
3. Division of Geriatrics (D.G., T.S.), Department of Medicine, UCLA, Los Angeles, CA
4. Division of Preventive Medicine, Department of Family Medicine and Public Health, UCSD, San Diego, CA (M.A.)
5. Division of Nephrology, Department of Medicine, Kidney Research Institute, University of Washington, Seattle (B.R.K.).