1. AUVA UKH Steiermark Graz Austria
2. Johannes Kepler University Linz Linz Austria
3. 1° Clinica Ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini‐CTO Milan Italy
4. Department of Biomedical, Surgical and Dental Sciences Università degli Studi di Milano Milan Italy
5. IIa Clinica Ortopedica e Traumatologica, IRCCS Istituto Ortopedico Rizzoli Bologna Italy
6. Swiss Olympic Medical Center, Hirslanden Clinique La Colline Geneva Switzerland
7. Orthopaedic Surgery Service University Hospital of Geneva Geneva Switzerland