1. Department of Aging, Neurological, Orthopaedic and Head-Neck Sciences, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00136 Rome, Italy
2. Department of Geriatrics and Orthopaedic Sciences, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
3. Department of Biomedicine and Prevention, “Tor Vergata” University of Rome, 00133 Rome, Italy
4. Department of Orthopaedics and Traumatology, “Policlinico Tor Vergata” Foundation, 00133 Rome, Italy
5. Department of Public Health, Orthopedic Unit, Federico II University, 80131 Naples, Italy
6. Department of Clinical Sciences and Translational Medicine, “Tor Vergata” University of Rome, 00133 Rome, Italy