[1] Nagoya Univ, Grad Sch Med, Dept Orthoped Surg, Nagoya, Japan
[2] Kanazawa Univ, Grad Sch Med Sci, Dept Orthopaed Surg, Kanazawa, Japan
[3] Toyama Prefectural Cent Hosp, Dept Orthopaed Surg, Toyama, Japan
[4] Chiba Univ, Grad Sch Med, Dept Orthopaed Surg, Chiba, Japan
[5] Univ Tsukuba, Fac Med, Dept Orthopaed Surg, Tsukuba, Japan
[6] Univ Tsukuba, Grad Sch Comprehens Human Sci, Dept Orthopaed Surg, Tsukuba, Japan
[7] Keio Univ, Sch Med, Dept Orthopaed Surg, Tokyo, Japan
[8] Shinshu Univ, Sch Med, Dept Orthopaed Surg, Matsumoto, Japan
[9] Tohoku Univ, Grad Sch Med, Dept Orthopaed Surg, Sendai, Japan
[10] Univ Fukui, Fac Med Sci, Fac Med Sci, Matsuoka Shimoaizuki, Yoshida, Japan
[11] Yamaguchi Univ, Dept Orthopaed Surg, Grad Sch Med, Ube, Japan
[12] Hamamatsu Univ Sch Med, Dept Orthopaed Surg, Hamamatsu, Japan
[13] Nagoya Kyoritsu Hosp, Dept Orthopaed Surg, Nagoya, Japan
[14] Kyushu Univ, Grad Sch Med Sci, Dept Orthopaed Surg, Fukuoka, Japan
[15] Sapporo Med Univ, Dept Orthopaed Surg, Sapporo, Japan
[16] Matsuda Orthoped Mem Hosp, Dept Orthopaed Surg, Sapporo, Japan
[17] Kyoto Prefectural Univ Med, Grad Sch Med Sci, Dept Orthopaed, Kyoto, Japan
[18] Saiseikai Shiga Hosp, Dept Orthopaed, Ritto, Japan
[19] Gunma Univ, Grad Sch Med, Dept Orthopaed Surg, Maebashi, Japan
[20] Nihon Univ Hosp, Dept Orthopaed Surg, Tokyo, Japan
[21] Nihon Univ, Sch Med, Dept Orthopaed Surg, Tokyo, Japan
[22] Nagoya City Univ, Grad Sch Med Sci, Dept Orthopaed Surg, Nagoya, Japan
[23] Mie Univ, Grad Sch Med, Dept Orthopaed Surg, Tsu, Japan
[24] Kagoshima Univ, Grad Sch Med & Dent Sci, Dept Orthopaed Surg, Kagoshima, Japan
[25] Univ Toyama, Fac Med, Dept Orthopaed Surg, Toyama, Japan
[26] Univ Tokyo Hosp, Dept Orthopaed Surg, Tokyo, Japan
[27] Osaka Univ, Grad Sch Med, Dept Orthopaed Surg, Suita, Osaka, Japan
[28] Kyoto Univ, Grad Sch Med, Dept Orthopaed Surg, Kyoto, Japan
[29] Kawasaki Med Sch, Dept Orthopaed Traumatol & Spine Surg, Kurashiki, Japan
[30] Kobe Univ, Grad Sch Med, Dept Orthopaed Surg, Kobe, Japan
[31] Int Univ Hlth & Welf, Sch Med, Dept Orthopaed Surg, Narita, Japan
[32] Int Univ Hlth & Welf, Narita Hosp, Dept Orthopaed Surg, Narita, Japan
[33] Int Univ Hlth & Welf, Mita Hosp, Dept Orthopaed Surg, Tokyo, Japan
[34] Int Univ Hlth & Welf, Mita Hosp, Spine & Spinal Cord Ctr, Tokyo, Japan
[35] Tokyo Med & Dent Univ, Dept Orthopaed Surg, Tokyo, Japan
[36] Tokai Univ, Dept Orthoped Surg, Surg Sci, Sch Med, Isehara, Japan
[37] Univ Yamanashi, Dept Orthopaed Surg, Chuo, Japan
[38] Oita Univ, Dept Orthopaed Surg, Fac Med, Yufu, Japan
[39] Osaka Metropolitan Univ, Grad Sch Med, Dept Orthopaed Surg, Osaka, Japan
[40] Kitasato Univ, Sch Med, Dept Orthopaed Surg, Sagamihara, Japan