About the Authors

Yuanbao Liu

Contributed equally to this work with: Yuanbao Liu, Peishan Lu

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Peishan Lu

Contributed equally to this work with: Yuanbao Liu, Peishan Lu

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Ying Hu

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Zhiguo Wang

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Xiuying Deng

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Fubao Ma

jsepi_ma@163.com

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Hong Tao

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Chengmei Jia

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Xiaoyan Ding

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Haitao Yang

Affiliation Department of Expanded Programme on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Pei Liu

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Southeast University, Nanjing, Jiangsu Province, China

Jie Min

Affiliation Department of Biostatistics and Epidemiology, School of Public Health, Southeast University, Nanjing, Jiangsu Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YL FM P. Lu HT HY. Performed the experiments: YH X. Deng CJ X. Ding. Analyzed the data: YL YH ZW P. Liu JM. Wrote the paper: YL FM.