Department of Orthopaedic Surgery, Hyogo Medical University, Hyogo, JapanRaghbir KhakhaLondon Knee Osteotomy Centre, Orthopaedic Specialists, Harley Street Specialist Hospital, London, United KingdomMatthieu OllivierInstitut du Mouvement et de l'appareil locomoteur, Hôpital Sainte-Marguerite, Aix-Marseille...