*Department of Orthopedic Surgery, Kawasaki Municipal Hospital, Kawasaki
Departments of † Orthopedic Surgery
‡Preventive Medicine and Public Health, Keio University School of Medicine, Tokyo
§Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo
∥Department of Orthopedic Surgery, National Hospital Organization Okayama Medical Center, Okayama
¶Department of Orthopedic Surgery, Shiga University of Medical Science, Shiga
#Department of Orthopedic Surgery, Faculty of Medicine, University of Toyama, Toyama
**Department of Orthopedic Surgery, Fujita Health University, Toyoake
††Department of Orthopedic Surgery, National Hospital Organization Murayama Medical Center, Tokyo
‡‡Department of Orthopedic Surgery, Shizuoka City Shimizu Hospital, Shizuoka
§§Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki
∥∥Department of Orthopedic Surgery, University of Tsukuba, Tsukuba
¶¶Department of Orthopedic Surgery, Chiba University Graduate School of Medicine, Chiba
##Department of Orthopedic Surgery, Hamamatsu University School of Medicine, Hamamatsu
***Department of Orthopedics, Jichi Medical University, Shimostuke
†††Department of Orthopedic Surgery, Graduate School of Medicine and Dental Science, Kagoshima University, Kagoshima
‡‡‡Department of Orthopedic Surgery, University of Yamanashi, Yamanashi
§§§Department of Orthopedic Surgery, Surgical Science, Tokai University School of Medicine, Tokyo
∥∥∥Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, Niigata
¶¶¶Department of Orthopaedic Surgery, Tohoku Medical and Pharmaceutical University
###Department of Orthopedic Surgery, Tohoku University School of Medicine, Tohoku
****Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya
††††Department of Orthopedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto
‡‡‡‡Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
Japanese Organization of the Study for Ossification of Spinal Ligament (JOSL): Soraya Nishimura, MD, PhD; Narihito Nagoshi, MD, PhD; Akio Iwanami, MD, PhD; Takashi Hirai, MD, PhD; Toshitaka Yoshii, MD, PhD; Kazuhiro Takeuchi, MD, PhD; Kanji Mori, MD, PhD; Tsuyoshi Yamada, MD, PhD; Shoji Seki, MD, PhD; Takashi Tsuji, MD, PhD; Kanehiro Fujiyoshi, MD, PhD; Mitsuru Furukawa, MD, PhD; Kanichiro Wada, MD, PhD; Masao Koda, MD, PhD; Takeo Furuya, MD, PhD; Yukihiro Matsuyama, MD, PhD; Tomohiko Hasegawa, MD, PhD; Katsushi Takeshita, MD, PhD; Atsushi Kimura, MD, PhD; Masahiko Abematsu, MD, PhD; Hirotaka Haro, MD, PhD; Tetsuro Ohba, MD, PhD; Masahiko Watanabe, MD, PhD; Hiroyuki Katoh, MD, PhD; Kei Watanabe, MD, PhD; Hiroshi Ozawa, MD, PhD; Haruo Kanno, MD, PhD; Shiro Imagama, MD, PhD; Kei Ando, MD, PhD; Shunsuke Fujibayashi, MD, PhD; Masashi Yamazaki, MD, PhD; Kota Watanabe, MD, PhD; Morio Matsumoto, MD, PhD; Masaya Nakamura, MD, PhD; Atsushi Okawa, MD, PhD; and Yoshiharu Kawaguchi, MD, PhD.
Supported by a Japanese Health Labor Sciences Research Grant (No. 040).
The authors declare no conflict of interest.
Reprints: Narihito Nagoshi, MD, PhD, Department of Orthopedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582 Japan (e-mail: [email protected]).
