1. Orthopedic and Traumatology Department, University of Ljubljana, Ljubljana, Slovenia
2. Orthopedic and Traumatology Department, University Clinical Center of Prishtina, Pristina, Republic of Kosova
3. Faculty of Medicine, “Fehmi Agani” University of Gjakova, Gjakovë, Republic of Kosova
4. Orthopedic and Traumatology Department, Regional Hospital of Prizren, Prishtina, Albania
5. National Institute of Public Health Prishtina, Prishtina, Republic of Kosova
6. Faculty of Medicine, University of Zagreb, Zagreb, Republic of Croatia
7. Institut de Chirurgie Orthopédique Lyon-Caluire, Lyon, France
8. Centre Osteo Articulaire, Echirolles, France
9. Faculty of Medicine, University of Prishtina, Pristina, Republic of Kosovo