Liu, Weiqi
Zou, Haidong
Liu, Weiling
Qin, Jiangxia
Article History
Received: 1 June 2024
Accepted: 12 August 2024
First Online: 19 August 2024
Declarations
:
: The studies involving human participants were reviewed and approved by the Ethics Committee of the Maternal and Children Health Care Hospital of Huadu (approval no. 2024-001). Informed consent for this study was not obtained (and was exempted by the Ethics Committee of the Maternal and Children Health Care Hospital of Huadu) because de-identified data were analyzed.
: Not applicable.
: The authors declare no competing interests.