1 Orthogeriatric and Geriatric Unit, Department of Medicine and Surgery, Gerontology and Geriatric Section, S. Maria Misericordia Hospital, University of Perugia, S. Andrea delle Fratte, 06156, Perugia, Italy. carmelinda.ruggiero@unipg.it.
2 Orthogeriatric and Geriatric Unit, Department of Neuromotor Physiology and Rehabilitation, ASMN-IRCCS Hospital, Viale Risorgimento 80, 42123, Reggio Emilia, Italy.
3 Orthopedic and Trauma Unit, Department of Medicine and Surgery, Orthopedic and Trauma Unit, Department of Medicine and Surgery, 06156, Perugia, Italy.
4 Orthogeriatric and Geriatric Unit, Department of Medicine and Surgery, Gerontology and Geriatric Section, S. Maria Misericordia Hospital, University of Perugia, S. Andrea delle Fratte, 06156, Perugia, Italy.
5 Orthopaedic Unit, Department of Neuromotor Physiology and Rehabilitation, ASMN-IRCCS Hospital, Viale Risorgimento 80, 42123, Reggio Emilia, Italy.