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Authors
Chen, Hongjia
Fan, Yinghong
Huang, Yijie
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Funding
Funding for this research was provided by:
Sichuan Provincial Natural Science Foundation (Project No: 2023NSFSC1469)
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Article History
Received: 28 January 2026
Accepted: 22 May 2026
First Online: 3 June 2026
Declarations
Ethics approval and consent to participate: This study adhered to the Declaration of Helsinki. The study protocol was reviewed and approved by the Ethics Committee of Chengdu Women’s and Children’s Central Hospital (which serves as the Institutional Review Board, IRB) (Approval No.: 2025〔77〕). The requirement for written informed consent was also waived by the same Ethics Committee (Chengdu Women’s and Children’s Central Hospital) in accordance with Chinese national regulations for retrospective studies using de-identified data.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
