Ren, Li-Hong
Zhang, Jing
Li, Si-Xiu
Liu, Ping
Chen, Hui
Hu, Wenguang
Article History
Received: 20 April 2023
Accepted: 21 November 2023
First Online: 1 December 2023
Declarations
:
: This study was approved by the Ethics Committee of Chengdu Women’s and Children’s Central Hospital (2022-018). All methods were performed in accordance with the ethical standards as laid down in the Declaration of Helsinki and its later amendments or comparable ethical standards. Written informed consent was obtained from all participants’ legal guardian.
: Not applicable.
: The authors have no conflicts of interest relevant to this article to disclose.