Fan, Xiang
Wang, Yifei
Yang, Ni
Zhu, Pengfeng
Article History
Received: 24 March 2023
Accepted: 14 June 2023
First Online: 21 June 2023
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). This study was approved by the Ethics Committee of Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University (No.2022028). Written informed consent was obtained from all participants. We confirmed that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.