About the Authors
- Liangliang Wang
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Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing
* E-mail: wangliangliang@xsyu.edu.cn
Affiliation School of Marxism, Xi’an Shiyou University, Xi’an, China
Competing Interests
The authors have declared that no competing interests exist.