Ding, Xiao-Yan
Mao, Wen-Hui
Lu, Wei
Yu, Hao
Liu, Qiao
Lu, Peng
Jiang, Hui
Zhang, Xing
Lu, Feng
Xu, Jie
Zhong, Chong-Qiao
Hu, Jin-Liu
Jiang, Wei-Xi
Guo, Lei
Tang, Sheng-Lan https://orcid.org/0000-0001-9214-7787
Zhu, Li-Mei
Funding for this research was provided by:
Jiangsu Provincial Commission of Health and Family Planning (LGY 2017083)
Jiangsu Health International Exchange Program
Article History
Received: 24 September 2020
Accepted: 2 January 2021
First Online: 19 January 2021
Ethics approval and consent to participate
: We performed analysis on routine administrative data and no ethical approval was required.
: We performed analysis on routine administrative data, consent for publication is not applicable.
: Sheng-Lan Tang is the deputy Editor-in-Chief of the journal Infectious Diseases of Poverty. He was not involved in the peer-review or handling of the manuscript. The authors have no other competing interests to disclose.