Institution: | 1.Department of Orthopaedic Surgery,Hannover Medical School,Hannover,Germany;2.Center for Knee and Foot Surgery/Sports Trauma, ATOS Clinic,Heidelberg,Germany;3.Department of Orthopaedic Surgery,Lubinus Clinicum,Kiel,Germany;4.Orthop?dische Gemeinschaftspraxis,Gro?hansdorf,Germany;5.Center of Orthopaedics and Traumatology,St. Anna-Hospital,Herne,Germany;6.Department of Orthopaedic Surgery,Krankenhaus Bethel,Bückeburg,Germany |