About the Authors

Kenjiro Inoue

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

s2436027@u.tsukuba.ac.jp (KI); mitsuo@gssm.otsuka.tsukuba.ac.jp (MY)

Affiliation Degree Programs in Systems and Information Engineering, University of Tsukuba, Ibaraki, Japan

Mitsuo Yoshida

Roles Funding acquisition, Methodology, Resources, Supervision, Writing – review & editing

s2436027@u.tsukuba.ac.jp (KI); mitsuo@gssm.otsuka.tsukuba.ac.jp (MY)

Affiliation Institute of Business Sciences, University of Tsukuba, Tokyo, Japan

Competing Interests

Kenjiro Inoue is an employee of Onestar, Inc. There are no patents, products in development or marketed products associated with this research to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.