Li, Yong-tao
Zhang, Ju
Wang, Meng-zhu
Ma, Yu-Mei
Zhi, Ke
Dai, Fu-Li
Li, Shu-jun
Article History
Received: 11 September 2023
Accepted: 4 October 2023
First Online: 20 October 2023
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and approved by the ethics committee of Luoyang Maternal and Child Health Hospital (Approval No. KY2022052004.0). We obtained signed informed consent from the participants / legal guardians in this study.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.