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Authors
Luo, Gang
Liu, Huashu
Li, Zhixin
Ji, Zhixian
Wang, Sibao
Pan, Silin
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Article History
Received: 1 February 2024
Accepted: 19 August 2025
First Online: 28 August 2025
Declarations
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: This study was approved by the Ethics Committee of Women and Children’s Hospital, Qingdao University (Ethics approval number: FELL-KY-2022-22). Informed consents were obtained from their parents of the participants.
: Not applicable.
: The authors declare no competing interests.
