Funding for this research was provided by:
Guangzhou Institute of Pediatrics, Guangzhou Women and Childrens Medical Center (1600048-04)
Guangzhou Women and Children’s Medical Centre (1600060-04)
the Science and Technology Programme of Guangzhou (2023A04J0604)
Article History
Received: 11 October 2022
Accepted: 6 October 2023
First Online: 31 October 2023
Declarations
:
: The study was approved by the Research Ethics Committee of West China Second University Hospital, Sichuan University, and the requirement for informed consent was waived owing to the observation nature of this study. This study was performed in compliance with the Declaration of Helsinki and other relevant regulations.
: All authors agreed to publish this article.
: The authors declare that they have no competing interests.