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Authors
Gao, Xiaoyan
Feng, Wenjing
Chen, Zhaoyu
Chen, Dan
Fang, Qiongyan
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Article History
Received: 18 June 2026
Accepted: 4 August 2026
First Online: 29 August 2026
Declarations
Ethics approval and consent to participate: This study was performed in accordance with the principles of the Declaration of Helsinki. The study was approved by the Ethics Committee of Foshan Women and Children Hospital. Because of the retrospective nature of the study, the requirement for informed consent was waived by the Ethics Committee of Foshan Women and Children Hospital.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
