1. Department of Orthopaedic and Trauma Surgery, AOUC Azienda Ospedaliero-Universitaria Careggi, Firenze, Italy
2. Department of Orthopaedic and Trauma Surgery, Università degli Studi “Magna Graecia” di Catanzaro, Campus Universitario “Salvatore Venuta” Viale Europa, Rome, Italy
3. Department of Orthopaedic and Trauma Surgery, Ospedale Villa Salus, Mestre, Italy
4. Department of Orthopaedic and Trauma Surgery, Policlinico Universitario Campus Bio-Medico, Rome, Italy