About the Authors

Yuangen Bao

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

billbao@126.com

Affiliation Research Management Center, Shenzhen Longgang District Education Science Research Institute, Shenzhen, China

Competing Interests

The authors have declared that no competing interests exist.