About the Authors

Deshun Xu

Roles Investigation, Methodology

Affiliation Huzhou Center for Disease Control and Prevention, Huzhou, China

Liping Chen

Roles Methodology

Affiliation Huzhou Center for Disease Control and Prevention, Huzhou, China

Xiaofang Wu

Roles Methodology

Affiliation Huzhou Center for Disease Control and Prevention, Huzhou, China

Lei Ji

Roles Methodology, Project administration, Writing – original draft

jileichn@163.com

Affiliation Huzhou Center for Disease Control and Prevention, Huzhou, China

Competing Interests

The authors have declared that no competing interests exist.