Liang, Chen
Xu, Youfeng
Article History
Received: 4 April 2023
Accepted: 2 August 2023
First Online: 12 August 2023
Declarations
:
: The study was approved by the ethics committee of Ningbo Women and Children’s Hospital (ethics number: EC2022-M016) and the participants signed the informed consent form. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.