[1] Niigata University Medical and Dental General Hospital,Department of Orthopedic Surgery
[2] Osaka University,Department of Orthopaedic Surgery
[3] Tokyo Medical University,Department of Orthopaedic Surgery
[4] Osaka City University,Department of Orthopaedic Surgery
[5] Nagasaki University,Department of Orthopaedic Surgery
[6] Tokyo Medical and Dental University,Department of Orthopaedic Surgery
[7] Kyushu University,Department of Orthopaedic Surgery
[8] Jichi Medical University,Department of Orthopaedic Surgery
[9] Kitasato University,Department of Orthopaedic Surgery
[10] Osaka Medical College,Department of Orthopaedic Surgery
[11] Tokai University,Department of Orthopaedic Surgery
[12] Shinshu University,Department of Orthopaedic Surgery
[13] Chiba University,Department of Orthopaedic Surgery
[14] Nagoya University,Department of Orthopaedic Surgery
[15] 65 Tsurumai-cho,Department of Orthopaedic Surgery
[16] Kochi University,Department of Orthopaedic Surgery
[17] Kanazawa University,Department of Orthopaedic Surgery
[18] University of Toyama,Department of Orthopaedic Surgery
[19] Akita University,Department of Orthopaedic Surgery
[20] Kobe University,Department of Orthopaedic Surgery
[21] Eastern Chiba Medical Center,Department of Orthopaedic Surgery
[22] Nihon University Itabashi Hospital,Department of Orthopaedic Surgery
[23] Hokkaido University,Department of Orthopaedic Surgery
[24] Iwate Medical University,Department of Orthopaedic Surgery
[25] University of Tsukuba,Department of Orthopaedic Surgery
[26] Hiroshima University,Department of Orthopaedic Surgery
[27] National Defense Medical College,Department of Orthopaedic Surgery
[28] Keio University School of Medicine,Department of Orthopaedic Surgery
[29] International University of Health and Welfare School of Medicine,undefined