About the Authors

Show-Li Jan

Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Writing – review & editing

Affiliation Department of Applied Mathematics, Chung Yuan Christian University, Taiwan, Republic of China

Gwowen Shieh

Roles Conceptualization, Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

gwshieh@mail.nctu.edu.tw

Affiliation Department of Management Science, National Chiao Tung University, Taiwan, Republic of China

Competing Interests

The authors have declared that no competing interests exist.