About the Authors
- Taro Takaguchi
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Affiliation Department of Mathematical Informatics, The University of Tokyo, Tokyo, Japan
- Naoki Masuda
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Affiliation Department of Mathematical Informatics, The University of Tokyo, Tokyo, Japan
- Petter Holme
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* E-mail: petter.holme@physics.umu.se
Affiliations IceLab, Department of Physics, Umeå University, Umeå, Sweden, Department of Energy Science, Sungkyunkwan University, Suwon, Korea, Department of Sociology, Stockholm University, Stockholm, Sweden
Competing Interests
Petter Holme is an academic editor of PLOS ONE. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: PH. Performed the experiments: TT. Analyzed the data: TT NM. Wrote the paper: TT NM PH.