Zhang, Teng
Liu, Meilin
Min, Fanli
Wei, Wei
Liu, Yuan
Tong, Jiao
Meng, Qian
Sun, Lizhou
Chen, Xu
Article History
Received: 7 April 2023
Accepted: 31 July 2023
First Online: 8 August 2023
Declarations
:
: The authors declare no competing interests.
: All methods in our study were conducted in accordance with the Declaration of Helsinki. The study was approved by the Ethics Committee of Lianyungang Maternal and Child Health Hospital (approval no.: LW2023005). All participants were informed of the purpose of the study and provided written informed consent before participating in the study.
: Not applicable.