Liu, Yawen
Tu, Haiyan
Zhang, Lingling
Zhong, Meiling
Wang, Yanan
Li, Ling http://orcid.org/0000-0003-3746-1313
Xiang, Xiaojun
Article History
Received: 24 December 2020
Accepted: 29 December 2021
First Online: 12 April 2022
Declarations
:
: The protocol and content of this research were approved by the Ethical board of the Institute of the Jiangxi Maternal and Child Health Hospital. Written informed consent to participate in the study was obtained from all the patients.
: Written informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.