About the Authors

Yun Wang

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

wangyun0621@gmail.com

Affiliation School of Emergency Technology, Guangzhou Vocational College of Technology and Business, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.