About the Authors

Kun Qian

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


Affiliations Institute of Decision Science for a Sustainable Society, Kyushu University, Fukuoka, Japan, Research Department, Kyushu Open University, Fukuoka, Japan

Tetsukazu Yahara

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Validation, Writing – review & editing

Affiliations Research Department, Kyushu Open University, Fukuoka, Japan, Department of Science, Kyushu University, Fukuoka, Japan

Competing Interests

The authors have declared that no competing interests exist.