About the Authors

Xi Zhang

Roles Conceptualization, Investigation, Methodology, Writing – original draft

zx923688@163.com

Affiliation School of Marxism, Southwest Jiaotong University, Chengdu, Sichuan, China

Lian Ran

Roles Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation School of Social Work and Health Management, Xihua University, Chengdu, Sichuan, China

Competing Interests

The authors declare that they have no competing interests.