About the Authors
- Isamu Okada
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* E-mail: okada@soka.ac.jp
Affiliations Department of Business Administration, Soka University, Tokyo, Japan, Department of Information Systems and Operations, Vienna University of Economics and Business, Vienna, Austria
- Hitoshi Yamamoto
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Affiliation Department of Business Administration, Rissho University, Tokyo, Japan
- Fujio Toriumi
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Affiliation Department of Systems Innovations, University of Tokyo, Tokyo, Japan
- Tatsuya Sasaki
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Affiliation Faculty of Mathematics, University of Vienna, Vienna, Austria
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: IO HY FT TS . Performed the experiments: IO . Analyzed the data: IO. Contributed reagents/materials/analysis tools: IO TS. Wrote the paper: IO HY FT TS.