Nie, Xiaorui
Xu, Zijie
Ren, Hong
Article History
Received: 12 December 2023
Accepted: 1 April 2024
First Online: 24 April 2024
Declarations
:
: The authors declare no competing interests.
: This study was conducted in accordance with the declaration of Helsinki. This study was conducted with approval from the Ethics Committee of Beijing Chaoyang District Maternal and Child Health Care Hospital. Written informed consent was obtained from all participants.
: Not applicable.