About the Authors

Tetsuhiro S. Hatakeyama

hatakeyama@complex.c.u-tokyo.ac.jp (TSK); kaneko@complex.c.u-tokyo.ac.jp (KK)

Affiliation Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan

Kunihiko Kaneko

hatakeyama@complex.c.u-tokyo.ac.jp (TSK); kaneko@complex.c.u-tokyo.ac.jp (KK)

Affiliation Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TSH KK. Performed the experiments: TSH. Analyzed the data: TSH KK. Wrote the paper: TSH KK.