About the Authors

Shiho Hanafusa

Affiliation Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan

Tomoaki Kawaguchi

Affiliation Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan

Yujiro Umezaki

Affiliation Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan

Kenji Tomioka

Affiliation Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan

Taishi Yoshii

yoshii@okayama-u.ac.jp

Affiliation Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KT TY. Performed the experiments: SH TK YU. Analyzed the data: SH TK YU TY. Contributed reagents/materials/analysis tools: KT TY. Wrote the manuscript: TY.