Wei, Lan
Li, Hao
Lv, Xing
Zheng, Chenli
Li, Guilian
Yang, Zhengrong
Chen, Lin
Han, Xiaoxu
Zou, Huachun
Gao, Yanxiao
Cheng, Jinquan
Wang, Hui
Zhao, Jin
Funding for this research was provided by:
Shenzhen Municipal Technological Project (JCYJ20170306160440762, JCYJ20160331173336891)
National Natural Science Foundation of China (81573211)
Shenzhen San-Ming Project of Medicine in Shenzhen (SZSM201811071, SZSM201512029)
Shenzhen Health and Family Planning System Research Project (SZGW2017006, SZGW2018003)
Medical Scientific Research Foundation of guangdong (A2019474)
Article History
Received: 5 April 2021
Accepted: 5 August 2021
First Online: 16 August 2021
Declarations
:
: This study was approved by the Medical Ethics Committee of Shenzhen Center for Disease Control and Prevention. Written informed consent was obtained from all the participants recruited in this study.
: Not applicable.
: The authors report no conflicts of interest for this study.