About the Authors

Tomoko Sakiyama

Roles Conceptualization, Data curation, Formal analysis, Investigation, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

sakiyama@soka.ac.jp, tmk.sakiyama@gmail.com

Affiliation Department of Information Systems Science, Faculty of Science and Engineering, Soka University, Tokyo, Japan

Akihiro Takahara

Roles Methodology, Software, Writing – review & editing

Affiliation Information Systems Science, Graduate School of Science and Engineering, Soka University, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.