1. Department of Translational Medical Sciences; University of Naples, Federico II; Naples Italy
2. Syncope Unit, Geriatric Cardiology and Medicine; University of Florence; Florence Italy
3. Azienda Ospedaliero Universitaria Careggi; Florence Italy
4. Centro di Valutazione e Ricerca Gerontologica; University of Modena and Reggio Emilia; Modena Italy
5. Department of Health Sciences; University of Milano Bicocca; Milan Italy
6. Acute Geriatric Unit; San Gerardo Hospital; Monza Italy
7. Milan Center for Neuroscience; Milan Italy
8. Medicine and Geriatric Unit; Spedali Civili of Brescia; Brescia Italy
9. SCDU Geriatria e Malattie Metaboliche dell'Osso; Città della Salute e della Scienza-Molinette-Torino; Turin Italy
10. Geriatric Department; SS. Trinità Hospital; Cagliari Italy
11. Department of Geriatrics, Neurosciences and Orthopedics; Catholic University of the Sacred Heart; Rome ITaly
12. Geriatric Unit; Santa Chiara Hospital; Trento Italy