About the Authors

Takuya Isomura

isomura@neuron.t.u-tokyo.ac.jp

Affiliations Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan, Research Fellow of Japan Society for the Promotion of Science (JSPS), Kojimachi, Chiyoda-ku, Tokyo, Japan

Kiyoshi Kotani

Affiliations Research Center for Advanced Science and Technology, The University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan, PRESTO, Japan Science and Technology Agency, Honcho, Kawaguchi-shi, Saitama, Japan

Yasuhiko Jimbo

Affiliation Department of Precision Engineering, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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