About the Authors

Chao Yang

Contributed equally to this work with: Chao Yang, Shujuan Yang

Affiliation Department of Epidemiology and Health statistics, School of Public Health, Southwest medical University, Luzhou, China

Shujuan Yang

Contributed equally to this work with: Chao Yang, Shujuan Yang

Affiliation Department of Health Related Social and Behavioral Science, West China School of Public Health, Sichuan University, Chengdu, China

Weiwei Xu

Affiliation Health Management Department, the First Affiliated Hospital, College of Medicine, Southwest Medical University, Luzhou, China

Junhui Zhang

Affiliation Department of Epidemiology and Health statistics, School of Public Health, Southwest medical University, Luzhou, China

Wenguang Fu

Affiliation Department of Hepatobiliary Surgery the First Affiliated Hospital, College of Medicine, Southwest Medical University, Luzhou, China

Chunhong Feng

chunhongf@tom.com

Affiliation Health Management Department, the First Affiliated Hospital, College of Medicine, Southwest Medical University, Luzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: CY CF. Data curation: CY WX. Formal analysis: CY JZ. Investigation: CF WX. Methodology: CY. Project administration: WX CF. Resources: WX CF. Supervision: CF. Visualization: WF. Writing – original draft: CY SY. Writing – review & editing: CY SY CF.