1. Department of Medical Science, University of Ferrara, Ferrara, Italy.
2. Department of Translational Medical Sciences, University of Naples Federico II, Italy.
3. School of Medicine and Surgery, University of Milano-Bicocca, Italy.
4. 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, Torino, 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, Italy.
8. Research Unit of Medicine of Aging, Department of Experimental and Clinical Medicine, University of Florence, Italy.
9. Geriatric Intensive Care Unit, Department of Geriatrics and Medicine, Azienda Ospedaliero-Univesitaria Careggi, Florence, Italy.
10. Department of Clinical and Experimental Medicine, Geriatric Rehabilitation Department, University of Parma, Parma, Italy.
11. UOC di Geriatria osp. SS. Trinità ASL 8 Cagliari, Italy.
12. Department of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, Second University of Naples, Italy.
13. Department of Medicine, Geriatrics Division, University of Verona, Verona, Italy.
14. Department of Geriatrics, Neurosciences and Orthopaedics, Catholic University of the Sacred Heart, Rome, Italy.
15. Center for Clinical Epidemiology, School of Medicine, University of Ferrara, Italy.