About the Authors

Hongwei Liu

Roles Data curation, Formal analysis, Writing – original draft

Affiliations College of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, China, Center of Shanxi Mine Safety for Graduate Education Innovation, Taiyuan, China

Fei Wang

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

tyutwangfei@126.com

Affiliations College of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, China, Center of Shanxi Mine Safety for Graduate Education Innovation, Taiyuan, China

Competing Interests

The authors have declared that no competing interests exist.