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Authors
Chen, Xinyue
Song, Haicheng
Zang, Mengxuan
Zhou, Jiahui
Liu, Yumei
Ren, Yueyi
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Article History
Received: 18 January 2026
Accepted: 20 May 2026
First Online: 11 June 2026
Declarations
Ethics approval and consent to participate: This study was conducted in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Qingdao Women and Children’s Hospital (No. QFELL-KY-2024-12) and registered in the Chinese Clinical Trial Registry (ChiCTR2500098036). Written informed consent was obtained from the parents of each child.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
