Affiliation: | 1.Department of Orthopaedic Surgery and Traumatology,Kantonsspital Baselland (Bruderholz Liestal, Laufen),Bruderholz,Switzerland;2.Department of Orthopaedic Surgery, Center for Sports Medicine, UPMC Rooney,Pittsburgh Medical Center,Pittsburgh,USA;3.Department of Orthopedics and Traumatology, Centre of Joint Replacement,Hospital Brandenburg, Medical School “Theodor Fontane”,Brandenburg,Germany;4.Department of Orthopaedics, Sahlgrenska Academy,University of Gothenburg, Sahlgrenska University Hospital,Gothenburg,Sweden |