About the Authors

Lei Cao

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Writing – original draft, Writing – review & editing

caolei@chinacdc.cn, caoleiself@126.com

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Jing-Shan Zheng

Roles Investigation, Project administration, Resources, Supervision

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Ling-Sheng Cao

Roles Investigation, Project administration, Resources, Software, Supervision

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Jian Cui

Roles Conceptualization, Investigation, Software, Supervision

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Meng-Juan Duan

Roles Formal analysis, Investigation, Software

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Qi-You Xiao

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision

Affiliation National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.