Affiliation: | 1. Area di Geriatria, Campus Bio-Medico University, Via Álvaro del Portillo, 200, 00128 Rome, Italy;2. Geriatric Rehabilitation Unit, Azienda Sanitaria di Firenze, Florence, Italy;3. UOS Accesso e Presa in Carico Assistenziale, Azienda Sanitaria Locale Roma E, Rome, Italy;4. Longitudinal Studies Section, Clinical Research Branch, National Institute on Aging, Baltimore, MD, USA |