1. Department of Internal Medicine and Medical Specialities, Section of Geriatrics, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
2. DISSAL, Department of Health Science, University of Genoa, Italy
3. Orthopaedics and Traumatology Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy