[1] St. Paul’s Hospital,Department of Orthopaedic Surgery
[2] Bucheon St. Mary’s Hospital,Department of Orthopaedic Surgery
[3] The Catholic University of Korea,Department of Orthopaedic Surgery, College of Medicine
[4] Tibor Rubin VA Medical Center,Orthopaedic Biomechanics Laboratory
[5] University of California,Department of Orthopaedic Surgery
[6] Inselspital Bern,Department of Orthopaedics and Traumatology
[7] University Hospital,undefined