1. Department of Orthopedic Surgery and Traumatology Kantonsspital Baselland Bruderholz Switzerland
2. Research Group Michael T. Hirschmann, Regenerative Medicine and Biomechanics, Department of Clinical Research University of Basel Basel Switzerland
3. Department of Orthopedics and Sports Orthopedics, Klinikum Rechts der Isar Technical University Munich München Germany
4. Department of Arthroplasty, Sports Medicine and Traumatology Orthopaedic Hospital Lindenlohe Schwandorf Germany
5. Surgery Department, Hôpital Maisonneuve‐Rosemont Montreal University Montreal Quebec Canada
6. Department of Orthopaedic Surgery, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
7. Orthopaedics Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix‐Rousse Hospital Lyon University Hospital Lyon France
8. Department of Orthopaedic Surgery, Hospital Sant Joan de Déu de Manresa, Fundació Althaia (Spain) Universitat de Vic Manresa Spain
9. KniePraxis Straubing Germany
10. Centre Orthopedique Santy Lyon France