About the Authors

Weiwei Ping

Roles Investigation, Methodology, Writing – original draft, Writing – review & editing

weiweip@czmc.edu.cn

Affiliation Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, P.R.China

Jianzhong Zheng

Roles Conceptualization, Funding acquisition

Affiliation Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, P.R.China

Xiaohong Niu

Roles Conceptualization

Affiliation Heji Hospital Affiliated to Changzhi Medical College, Changzhi, Shanxi, P.R.China

Chongzheng Guo

Roles Investigation

Affiliation Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, P.R.China

Jinfang Zhang

Roles Investigation, Writing – original draft

Affiliation Heji Hospital Affiliated to Changzhi Medical College, Changzhi, Shanxi, P.R.China

Hui Yang

Roles Investigation

Affiliation Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, P.R.China

Yan Shi

Roles Investigation

Affiliation Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, P.R.China

Competing Interests

The authors have declared that no competing interests exist.