Jiang, Lei
Xiao, Qinru
Zhang, Jianqing
Zhao, Yang
Chen, Lihua
Lu, Shaoyou
Funding for this research was provided by:
the Shenzhen Municipal Government Research Projects (201302112)
Article History
Received: 25 April 2022
Accepted: 7 July 2022
First Online: 15 July 2022
Declarations
:
: The study protocol was approved by the Ethics Committee of Shenzhen Maternal and Child Health Hospital (Shenzhen, China).
: Informed consent was obtained from all individual participants included in the study.
: The authors affirm that human research participants provided informed consent for publication of the aggregate data produced in the study.
: The authors declare no competing interests.