About the Authors
- Masatoshi Nishikawa
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Affiliations Department of Mathematical and Life Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan, CREST, Japan Science and Technology Agency, Suita, Osaka, Japan
- Tatsuo Shibata
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* E-mail: shibata@hiroshima-u.ac.jp
Affiliations Department of Mathematical and Life Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan, CREST, Japan Science and Technology Agency, Suita, Osaka, Japan, PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MN TS. Performed the experiments: MN TS. Wrote the paper: MN TS.