About the Authors

Tamotsu Tsukahara

ttamotsu@shinshu-u.ac.jp

Affiliation Department of Integrative Physiology and Bio-System Control, Shinshu University School of Medicine, Asahi, Matsumoto, Nagano, Japan

Hisao Haniu

Affiliation Department of Orthopaedic Surgery, Shinshu University School of Medicine, Asahi, Matsumoto, Nagano, Japan

Yoshikazu Matsuda

Affiliation Clinical Pharmacology Educational Center, Nihon Pharmaceutical University, Ina-machi, Saitama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TT. Performed the experiments: TT HH. Analyzed the data: TT HH. Contributed reagents/materials/analysis tools: TT HH YM. Wrote the paper: TT.