About the Authors

Akihiro Tamura

Contributed equally to this work with: Akihiro Tamura, Kiyokazu Akasaka

Affiliation Saitama Medical University Graduate School of Medicine, Moroyama, Saitama, Japan

Kiyokazu Akasaka

Contributed equally to this work with: Akihiro Tamura, Kiyokazu Akasaka

akasaka-smc@umin.ac.jp

Affiliations Saitama Medical University Graduate School of Medicine, Moroyama, Saitama, Japan, Saitama Medical University, School of Physical Therapy, Moroyama, Saitama, Japan

Takahiro Otsudo

‡ These authors also contributed equally to this work.

Affiliations Saitama Medical University Graduate School of Medicine, Moroyama, Saitama, Japan, Saitama Medical University, School of Physical Therapy, Moroyama, Saitama, Japan

Jyunya Shiozawa

‡ These authors also contributed equally to this work.

Affiliation Department of Rehabilitation, Zenshukai Hospital, Maebashi, Gunma, Japan

Yuka Toda

‡ These authors also contributed equally to this work.

Affiliation Department of Rehabilitation, Yokohama Asahi Center General Hospital, Yokohama, Kanagawa, Japan

Kaori Yamada

‡ These authors also contributed equally to this work.

Affiliation Department of Rehabilitation, Kanetsu Hospital, Tsurugashima, Saitama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: AT KA. Data curation: KA TO. Formal analysis: AT KA. Investigation: AT JS YT KY. Methodology: AT KA TO. Project administration: KA. Resources: AT JS YT KY. Software: AT. Supervision: KA. Validation: AT KA TO. Visualization: AT KA. Writing – original draft: AT KA. Writing – review & editing: AT KA TO.