About the Authors

Hidehiro Watanabe

Affiliation Graduate School of Life Sciences, Tohoku University, Sendai, Japan

Makoto Mizunami

To whom correspondence should be addressed. E-mail: makoto@biology.tohoku.ac.jp

Affiliation Graduate School of Life Sciences, Tohoku University, Sendai, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MM HW. Performed the experiments: HW. Analyzed the data: HW. Wrote the paper: MM HW.