1 Department of Orthopaedics, Traumatology and Paediatric Orthopaedics, University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, 46-50 Viilor St., Cluj-Napoca, Romania. dcosma@umfcluj.ro.
2 Department of Orthopaedics, Traumatology and Paediatric Orthopaedics, University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, 46-50 Viilor St., Cluj-Napoca, Romania.