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
The authors have declared that no competing interests exist.
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.