About the Authors
- Huixin Liu
-
Contributed equally to this work with: Huixin Liu, Chen Lu
Roles Funding acquisition, Investigation
Affiliation School of Marxism, Qingdao University of Technology, Qingdao, China
- Chen Lu
-
Contributed equally to this work with: Huixin Liu, Chen Lu
Roles Formal analysis, Writing – original draft, Writing – review & editing
* E-mail: LChen0517@126.com
Affiliation School of Management Engineering, Qingdao University of Technology, Qingdao, China
- Xiang Hao
-
Roles Resources, Software
¶‡ XH and HZ also contributed equally to this work.
Affiliation School of Management Engineering, Qingdao University of Technology, Qingdao, China
- Hui Zhao
-
Roles Supervision, Validation
¶‡ XH and HZ also contributed equally to this work.
Affiliation School of Management Engineering, Qingdao University of Technology, Qingdao, China
Competing Interests
The authors have declared that no competing interests exist.