Gao, YaSong
Hu, FangQi
Article History
Received: 3 January 2024
Accepted: 19 June 2024
First Online: 18 July 2024
Declarations
:
: As this study was a retrospective study, the ethnic committee review board of Anqing Municipal Hospital in Anhui Province, China has waived the ethnics approval for the study, and the written informed consent of the parents or guardians of all infants was obtained for this study.
: Not applicable.
: The authors declare no competing interests.