1. Department of Orthopaedics, University of Campania "Luigi Vanvitelli", via L. de Crecchio 4, 80138, Naples, Italy
2. Department of Orthopedics and Traumatology, Sacro Cuore di Gesù Fatebenefratelli Hospital, Benevento 82100, Italy
3. Department of Orthopaedic and Traumatology, Regina Montis Regalis Hospital, ASL CN1, Mondovì, Italy