About the Authors

Xiang Wang

Roles Conceptualization, Writing – original draft, Writing – review & editing

engineer_wangxiang@163.com

Affiliation School of Management Engineering, Qingdao University of Technology, Qingdao, Shandong, P. R. China

Yilin Yin

Roles Conceptualization

Affiliation College of Management, Tianjin University of Technology, Tianjin, P. R. China

Competing Interests

The authors have declared that no competing interests exist.