1. University Hospital of Ferrara “S. Anna”, Ferrara - Italy
2. Department of Orthopaedics, Traumatology and Rehabilitation, Clinic II, University Hospital of Turin “Città della Salute e della Scienza di Torino”, Turin - Italy
3. Department of Orthopaedics, Traumatology and Rehabilitation, Clinic I, University Hospital of Turin “Città della Salute e della Scienza di Torino”, Turin - Italy
4. Radiodiagnostic Orthopaedic Traumatology Centre, University Hospital of Turin “Città della Salute e della Scienza di Torino”, Turin - Italy
5. University Hospital of Udine “Santa Maria della Misericordia”, Udine - Italy