About the Authors

Masayoshi Okada

mokada-tky@umin.ac.jp

Affiliation Department of Physiology, Kansai Medical University, Moriguchi City, Osaka, Japan

Hiroko Matsuda

Affiliation Department of Physiology, Kansai Medical University, Moriguchi City, Osaka, Japan

Yasuhiko Okimura

Affiliation Kobe Women’s University, Kobe, Hyōgo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MO. Performed the experiments: MO YO. Analyzed the data: MO. Contributed reagents/materials/analysis tools: MO YO. Wrote the paper: MO YO HM.