1. CNRS, ISM Aix‐Marseille University Marseille France
2. Katedrai Klinika Ortopedii i Traumatologii Narządu Ruchu, Clinicof Orthopaedics and Traumatology, Wrocław University Hospital Uniwersytet Medyczny im. Piastów Śląskich we Wrocławiu Wrocław Poland
3. UniwersyteckiSzpital Kliniczny im. Jana Mikulicza—Radeckiego we Wrocławiu Wroclaw Poland
4. Department of Orthopaedics and Traumatology Wrocław Medical University Wrocław Poland
5. Orthoprofis Hannover Germany
6. Department of Orthopaedic Surgery and Traumatology University Hospital Erasmus Bruxelles Bruxelles Belgium
7. Department of Orthopaedic Surgery and Traumatology Kantonsspital Baselland (Bruderholz, Liestal, Laufen) and University of Basel Basel Switzerland
8. Department of Orthopaedics, Sahlgrenska University Hospital, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden