About the Authors

Yoshitaka Tanaka

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Tsutomu Nakazawa

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

nakazawa@naramed-u.ac.jp

Affiliations Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan, Grandsoul Research Institute for Immunology, Inc., Uda, Nara, Japan

Mitsutoshi Nakamura

Roles Conceptualization, Funding acquisition, Writing – original draft

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Fumihiko Nishimura

Roles Funding acquisition, Investigation, Methodology

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Ryosuke Matsuda

Roles Funding acquisition, Investigation, Methodology

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Koji Omoto

Roles Methodology

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Yoichi Shida

Roles Formal analysis, Investigation, Methodology

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Toshiharu Murakami

Roles Formal analysis, Investigation, Methodology

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Ichiro Nakagawa

Roles Writing – review & editing

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Yasushi Motoyama

Roles Writing – review & editing

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Hiromichi Morita

Roles Data curation, Formal analysis, Investigation, Methodology

Affiliation Grandsoul Research Institute for Immunology, Inc., Uda, Nara, Japan

Takahiro Tsujimura

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Clinic Grandsoul Nara, Uda, Nara, Japan

Hiroyuki Nakase

Roles Funding acquisition, Writing – review & editing

Affiliation Department of Neurosurgery, Nara Medical University, Kashihara, Nara, Japan

Competing Interests

We have the following interests. Tsutomu Nakazawa and Hiromichi Morita are affiliated to Grandsoul Research Institute for Immunology, Inc. and Takahiro Tsujimura to Clinic Grandsoul Nara. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.