^○Yoshiaki Itoigawa^1,2, Eiji Itoi³, Kazuo Kaneko⁴ (1.Juntendo University Urayasu Hospital, 2.Mayo Clinic, 3.Tohoku University School of Medicine, 4.Juntendo University School of Medicine)

^○Toshinobu Omiya¹, Kazuya Tamai^1,2, Sakae Tanaka¹ (1.The University of Tokyo, 2.Tohto Bunkyo Hospital)

^○Toshinobu Omiya¹, Kazuya Tamai², Sakae Tanaka¹ (1.The University of Tokyo, 2.Tohto Bunkyo Hospital)

^○Takeshi Morioka, Hiroyuki Sugaya, Norimasa Takahashi, Morihito Tokai, Kazutomo Onishi, Shouta Hoshika, Hiroshige Hamada, Yasutaka Takeuchi (Funabashi Orthopaedics Hospital)

^○Eiji Shimpuku^1,2, Yoshiyasu Uchiyama¹, Akiyoshi Handa³, Hiroko Omi¹, Hiroyuki Hashimoto⁴, Takeshi Imai¹, Hiroki Kasama¹, Masahiko Watanabe¹ (1.Department of Orthopaedic Surgery, Surgical Science, Tokai University, School of Medicine, 2.Tokai University School of Medicine, Oiso Hospital, 3.Ikegami General Hospital, 4.Ebina General Hospital)

^○Aritoshi Yoshihara, Hideya Yoshimura, Takashi Ogiuchi (Kawaguchi Kogyo General Hospital)

^○Go Miake, Komei Matsuura, Kunichika Shin, Momo Irie (Saiseikai Yahata General Hospital)

^○Daisuke Nojima, Nobuyasu Ochiai, Kouji Akimoto (Chiba University)

^○Yusuke Iwahori¹, Hirokatsu Hanamura², Yukihirro Kajita³, Yoshitaka Muramatsu¹, Ryosuke Takahashi¹, Motomu Tsutsui², Takashi Ito², Takayasu Ito⁴, Yutaka Saito⁵, Masataka Deie¹ (1.Aichi Medical University, 2.Department of Orthopaedic Surgery, Asahi Hospital, 3.Department of Orthopaedic Surgery, Ichinomiyanishi Hospital, 4.Ito Orthopaedic Clinic, 5.Department of Orthopaedic Surgery, Hokuto Hospital)

^○Jun Yamakawa, Tetsuya Yamazaki, Masaki Akeda, Masashi Hachiya (Yokohama Minami Kyousai Hospital)