About the Authors

Kazutoshi Sasahara

sasahara@is.nagoya-u.ac.jp

Affiliations Graduate School of Information Science, Nagoya University, Nagoya, Japan, FIRST, Aihara Innovative Mathematical Modelling Project, Japan Science and Technology Agency, Meguro-ku, Tokyo, Japan

Yoshito Hirata

Affiliation Institute of Industrial Science, The University of Tokyo, Meguro-ku, Tokyo, Japan

Masashi Toyoda

Affiliation Institute of Industrial Science, The University of Tokyo, Meguro-ku, Tokyo, Japan

Masaru Kitsuregawa

Affiliation Institute of Industrial Science, The University of Tokyo, Meguro-ku, Tokyo, Japan

Kazuyuki Aihara

Affiliations Institute of Industrial Science, The University of Tokyo, Meguro-ku, Tokyo, Japan, FIRST, Aihara Innovative Mathematical Modelling Project, Japan Science and Technology Agency, Meguro-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KS YH MT KA. Performed the experiments: KS. Analyzed the data: KS. Contributed reagents/materials/analysis tools: KS. Wrote the paper: KS YH MT MK KA.