[1] Kantonsspital Baselland (Bruderholz Liestal,Department of Orthopaedic Surgery and Traumatology
[2] Laufen),Department of Orthopaedic Surgery, Center for Sports Medicine, UPMC Rooney
[3] Pittsburgh Medical Center,Department of Orthopedics and Traumatology, Centre of Joint Replacement
[4] Hospital Brandenburg,Department of Orthopaedics, Sahlgrenska Academy
[5] Medical School “Theodor Fontane”,undefined
[6] University of Gothenburg,undefined
[7] Sahlgrenska University Hospital,undefined