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Distribution of ossified spinal lesions in patients with severe ossification of the posterior longitudinal ligament and prediction of ossification at each segment based on the cervical OP index classification: a multicenter study (JOSL CT study)

Crossref DOI link: https://doi.org/10.1186/s12891-018-2009-7

Published Online: 2018-04-05

Published Print: 2018-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Hirai, Takashi

Yoshii, Toshitaka

Nagoshi, Narihito

Takeuchi, Kazuhiro

Mori, Kanji

Ushio, Shuta

Iwanami, Akio

Yamada, Tsuyoshi

Seki, Shoji

Tsuji, Takashi

Fujiyoshi, Kanehiro

Furukawa, Mitsuru

Nishimura, Soraya

Wada, Kanichiro

Furuya, Takeo

Matsuyama, Yukihiro

Hasegawa, Tomohiko

Takeshita, Katsushi

Kimura, Atsushi

Abematsu, Masahiko

Haro, Hirotaka

Ohba, Tetsuro

Watanabe, Masahiko

Katoh, Hiroyuki

Watanabe, Kei

Ozawa, Hiroshi

Kanno, Haruo

Imagama, Shiro

Ando, Kei

Fujibayashi, Shunsuke

Koda, Masao

Yamazaki, Masashi

Matsumoto, Morio

Nakamura, Masaya

Okawa, Atsushi

Kawaguchi, Yoshiharu
Funding

Funding for this research was provided by:

Health and Labour Science Research Grants
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Article History

Received: 26 December 2017

Accepted: 20 March 2018

First Online: 5 April 2018

Ethics approval and consent to participate

: Written informed consent was obtained from each participant before registration at each institution. The local ethics committee of each institute approved this study, namely, the ethics committees of Shiga University of Medical Science, Tokyo Medical and Dental University, Keio University, National Hospital Organization Okayama Medical Center, University of Toyama, Kitasato Institute Hospital, National Hospital Organization Murayama Medical Center, Hirosaki University Graduate School of Medicine, Chiba University Graduate School of Medicine, Hamamatsu University School of Medicine, Jichi Medical University, Kagoshima University, University of Yamanashi, Tokai University School of Medicine, Niigata University Medicine and Dental General Hospital, Tohoku Medical and Pharmaceutical University Tohoku University School of Medicine, Nagoya University Graduate School of Medicine, Kyoto University, and University of Tsukuba.

: Not applicable.

: The authors declare that they have no competing interests.

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