About the Authors

Shanshan Zhang

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

zhangshanshan.xisu@gmail.com

Affiliation Graduate School, Xi’an International Studies University, Xi’an, China

Xi Chen

Roles Conceptualization, Project administration, Supervision

Affiliation School of Japanese Culture and Economics, Xi’an International Studies University, Xi’an, China

Competing Interests

The authors have declared that no competing interests exist.