Article History
Received: 1 August 2023
Accepted: 12 September 2023
First Online: 25 September 2023
Declarations
:
: Ethical approval was obtained from the Quanzhou Women’s and Children’s Hospital’s Ethic Committee. All procedures in this study involving human participants were carried out in line with the principles of Helsinki Declaration. As this study is a retrospective study, formal consent is not required.
: The written informed consent was waived because of the retrospective and anonymous nature of the data.
: The authors declare no competing interests.