Li, Meng
Wei, Xiang
Zhang, Shan-Shan
Li, Shan
Chen, Su-Hong
Shi, Su-Jie
Zhou, Shao-Hong
Sun, Da-Quan
Zhao, Qian-Ye
Xu, Yan
Funding for this research was provided by:
the General Programs of Lianyungang Health and Planning Commission (202027)
Article History
Received: 28 October 2022
Accepted: 27 September 2023
First Online: 10 October 2023
Declarations
:
: All procedures performed in studies involving human participants were performed in accordance with the Declaration of Helsinki and approved by the Ethics Committee of the Lianyungang Maternal and Child Health Care Hospital (Protocol number LW2022003) and the Affiliated Hospital of Xuzhou Medical University (Protocol number XYFY2022-KL146-01). The ethics committee of Lianyungang Maternal and Child Health Care Hospital waived the need for written informed consent provided by participants due to retrospective study, because all patient data were analyzed anonymously, and no additional informed consent was required.
: Not applicable.
: The authors declare no competing interests.