1. Department of Medicine, Surgery and Dentistry, University of Salerno, 84081 Salerno, Italy
2. Orthopedic Department “Clinica Ortopedica”, San Giovanni di Dio and Ruggi d’Aragona University Hospital, 88100 Catanzaro, Italy
3. Orthopaedic and Trauma Unit, Department DiBraiN, University of Bari “Aldo Moro”, 70124 Bari, Italy