1. Department of Geriatrics, Neurosciences, and Orthopedics; Catholic University of the Sacred Heart; Rome Italy
2. Department of Medical Science; University of Ferrara; Ferrara Italy
3. Department of Translational Medical Sciences; University of Naples Federico II; Naples Italy
4. School of Medicine and Surgery; University of Milano-Bicocca; Geriatric Unit, S. Gerardo Hospital Monza Italy
5. Struttura Complessa Dipartimento Universitario Geriatria e Malattie Metaboliche dell'Osso, Città della Salute e della Scienza-Molinette; Turin Italy
6. Geriatrics and Geriatrics Emergency Care, Italian National Research Center on Aging (IRCCS-INRCA); Ancona Italy
7. Department of Clinical and Experimental Medicine; University of Messina; Messina Italy
8. Research Unit of Medicine of Aging, Department of Experimental and Clinical Medicine; University of Florence; Florence Italy
9. Department of Medicine and Surgery, Geriatric Rehabilitation Department; University and University-Hospital of Parma; Parma Italy
10. UOC di Geriatria ospedaliera, SS. Trinità ASL 8; Cagliari Italy
11. Department of Medical, Surgical, Neurological, Metabolic, and Geriatric Sciences; Second University of Naples; Caserta Italy
12. Department of Medicine, Geriatrics Division; University of Verona; Verona Italy
13. Center for Clinical Epidemiology, School of Medicine; University of Ferrara; Ferrara Italy