1 Department of Geriatrics, Centro Medicina dell'Invecchiamento, Università Cattolica del Sacro Cuore, Rome, Italy.
2 Birth Defects Unit, Department of Pediatrics, Università Cattolica del Sacro Cuore, Rome, Italy.
3 Geriatric Unit, Department of Clinical Sciences and Community Health, University of Milan, Ca' Granda Foundation, Maggiore Policlinico Hospital, Milan, Italy.
4 Department of Geriatrics, Centro Medicina dell'Invecchiamento, Università Cattolica del Sacro Cuore, Rome, Italy. Electronic address: graziano.onder@rm.unicatt.it.