1. Clinic for Orthopaedics and Trauma Surgery Malteser St. Mary's Hospital Erlangen Germany
2. Department of Orthopaedics University of Rostock Rostock Germany
3. Tagesklinik Esplanade Berlin Germany
4. Chairman Medical Committee FIS Member Competition Equipment Committee FIS Rottach‐Egern Germany
5. Norwegian School of Sport Sciences Oslo Sports Trauma Research Center Oslo Norway
6. Orthopaedic Department Akershus University Hospital Lørenskog Norway
7. Institute of Clinical Medicine University of Oslo Oslo Norway
8. Luxembourg Institute of Research in Orthopedics Sports Medicine and Science (LIROMS) Luxembourg Luxembourg
9. Dept. GERO, Faculty of Medicine Vrije Universiteit Brussel Brussels Belgium
10. Department of Orthopaedic Surgery, Division of Neurosciences and Musculoskeletal Diseases Centre Hospitalier de Luxembourg (CHL) Luxembourg Luxembourg