About the Authors

Mitsuhiro Nakamura, Naoki Masuda
Department of Mathematical Informatics, The University of Tokyo, Tokyo, Japan

Naoki Masuda
PRESTO, Japan Science and Technology Agency, Kawaguchi, Japan

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MN NM. Performed the experiments: MN. Analyzed the data: MN. Contributed reagents/materials/analysis tools: MN NM. Wrote the paper: MN NM.