1. From the Department of Internal Medicine, Washington University School of Medicine, Saint Louis, MO (EPW, HA, DTV, and JOH); the Department of Nutrition and Dietetics, Saint Louis University, Saint Louis, MO (EPW); the Department of Aging and Geriatrics, University of Florida, Gainesville, FL (EM); and the Department of Gerontology, Geriatric and Physiatry, Catholic University of the Sacred Heart