^○Shiro Kajiyama, Hiroaki Matsuo, Makoto Osaki (Nagasaki University Hospital)

^○Seung Yeop Lee, Dong Ho Kum, Jun Ho Kim, Keun Min Park, Eun Su Lee, Yong Bok Park, Jae-Chul Yoo (Orthopedic Surgery, Department of Orthopedic Surgery, Sungkyunkwan University College of Medicine, Samsung Medical Center)

^○Norio Ishigaki, Yukihiko Hata, Tomoyuki Matsuba (North Alps Medical Center Azumi Hospital)

^○Koji Fujii, Yoshitsugu Takeda (Tokushima Red Cross Hospital)

^○Kyu Cheol Noh, Yong-Beom Lee, Yoon-Suk Hyun (Orthopedics, Hallym Univ Medical Center)

^○Koumei Matsuura, Kunichika Shin, Gou Miake, Momo Irie, Hiromitsu Kabayama (Saiseikai Yahata General Hospital)

^○Koshiro Imai (Department of Orthopaedic Surgery, Kameda Daiichi Hospital)

^○Kenji Okamura¹, Masayuki Abe¹, Yuichiro Yamada¹, Takeshi Makihara¹, Yoshinari Sakaki², Naoki Oikawa², Hajime Yamazaki², Fumiko Satou² (1.Hitsujigaoka Hospital, 2.Hitsujigaoka Hospital Rehabilitation)

^○Kunimoto Fukunishi¹, Teruhisa Mihata^2,3, Takeshi Kawakami³, Yukitaka Fujisawa⁴, Akihiko Hasegawa², Masashi Neo² (1.Rakusai Shimizu Hospital, 2.Osaka Medical College, 3.First Towakai Hospital, 4.Yaenosato Hospital)