About the Authors
- Toshifumi Fujiyama
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* E-mail: tosi.fujiyama@gmail.com (TF); matsui@mist.i.u-tokyo.ac.jp (CM)
Affiliation Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo, Japan
- Chihiro Matsui
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* E-mail: tosi.fujiyama@gmail.com (TF); matsui@mist.i.u-tokyo.ac.jp (CM)
Affiliation Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo, Japan
- Akimichi Takemura
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Affiliation The Center for Data Science Edutation and Research, Shiga University, Shiga, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: TF AT. Performed the experiments: TF. Analyzed the data: CM AT. Contributed reagents/materials/analysis tools: TF. Wrote the paper: TF CM AT.