About the Authors

Yamin Deng

Roles Conceptualization, Methodology, Writing – original draft

yamin.deng@sxmu.edu.cn

Affiliations Statistics Center, First Hospital of Shanxi Medical University, Taiyuan, China, Division of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, China

Shiman Wu

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Statistics Center, First Hospital of Shanxi Medical University, Taiyuan, China

Huifang Fan

Roles Data curation, Supervision, Writing – review & editing

Affiliation Statistics Center, First Hospital of Shanxi Medical University, Taiyuan, China

Competing Interests

The authors have declared that no competing interests exist.