Novel elemental grading system for radiographic lumbar spondylosis in a population based-cohort study of a Japanese mountain village

• Junichi Yamada ,

  Contributed equally to this work with: Junichi Yamada, Koji Akeda

  Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  https://orcid.org/0000-0002-3477-0420

  ⨯
• Koji Akeda ,

  Contributed equally to this work with: Junichi Yamada, Koji Akeda

  Roles Conceptualization, Methodology, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

  * E-mail: k_akeda@clin.medic.mie-u.ac.jp

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  https://orcid.org/0000-0001-9468-9387

  ⨯
• Norihiko Takegami,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  ⨯
• Tatsuhiko Fujiwara,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  ⨯
• Akinobu Nishimura,

  Roles Funding acquisition, Investigation, Project administration, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  ⨯
• Akihiro Sudo

  Roles Funding acquisition, Supervision, Validation, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan

  https://orcid.org/0000-0003-0474-4368

  ⨯