About the Authors
- Takashi Kanamaru
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* E-mail: kanamaru@cc.kogakuin.ac.jp
Affiliation Department of Innovative Mechanical Engineering, Kogakuin University, Tokyo, Japan
- Hiroshi Fujii
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Affiliation Department of Intelligent Systems, Kyoto Sangyo University, Kyoto, Japan
- Kazuyuki Aihara
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Affiliation Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Theoretical ideas and framework of the experiments: HF KA TK. Conceived and designed the experiments: KA HF TK. Performed the experiments: TK KA HF. Analyzed the data: TK KA HF. Wrote the paper: TK HF KA.