About the Authors

Sayaka Fujiwara

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Shinya Hoshikawa

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Takaaki Ueno

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Makoto Hirata

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Taku Saito

Affiliation Bone and Cartilage Regenerative Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Toshiyuki Ikeda

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Hiroshi Kawaguchi

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Kozo Nakamura

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Sakae Tanaka

Affiliation Departments of Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Tokyo, Japan

Toru Ogata

ogata-toru@rehab.go.jp

Affiliation Department of Rehabilitation for the Movement Functions, Research Institute, National Rehabilitation Center for Persons with Disabilities, Saitama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SF SH HK KN ST TO. Performed the experiments: SF SH TU MH. Analyzed the data: SF SH TU MH. Contributed reagents/materials/analysis tools: SF SH TU MH TS TI. Wrote the paper: SF MH ST TO.