About the Authors

Nan Liu

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China

Yi Guan

Roles Investigation

Affiliation School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China

Bin Li

Roles Resources

Affiliation Institute for Occupational Health and Poison Control in China Center for Disease Prevention and Control, Beijing, China

Sanqiao Yao

Roles Project administration, Supervision

sanqiaoyao@xxmu.edu.cn

Affiliations School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China, Xinxiang Medical University, Xinxiang, China

Competing Interests

All authors declare that there are no conflicts of interest regarding the publication of this article.