1. Department of Orthopedic Surgery and Traumatology Kantonsspital Baselland Bruderholz Switzerland
2. Department of Clinical Research, Research Group Michael T. Hirschmann, Regenerative Medicine & Biomechanics 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 Canada
6. Bordeaux Arthroplasty Research Institute Clinique du Sport Bordeaux‐Mérignac Mérignac France
7. Department of Orthopaedic Surgery Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA
8. Symbios Yverdon les Bains Switzerland
9. Amsler Consulting Basel Switzerland
10. Department of Orthopaedics, Croix Rousse Hospital Claude Bernard Lyon 1 University Lyon France
11. Centre Orthopedique Santy Lyon France