1. From the Department of Aging and Geriatric Research, College of Medicine, Institute on Aging, University of Florida, Gainesville, FL (MC, CL, CM, and MP); the Department of Gerontology, Geriatrics, and Physiatry, Catholic University of Sacred Heart, Rome, Italy (MC and GO); the Tuscany Health Regional Agency, Florence, Italy (FL); the Geriatric Rehabilitation Unit, Azienda Sanitaria di Firenze, F