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Authors
Zeng, Xunjin
Zhang, Mengyao
Wu, Mei
Wang, Hao
Jiao, Yilong
Gao, Haijun
Chen, Guang
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Article History
Received: 24 October 2025
Accepted: 25 March 2026
First Online: 13 April 2026
Declarations
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: This study was conducted in accordance with the declaration of Helsinki. This is a retrospective study. After explaining TJLB and its related risks, informed consent was obtained from children’s parents or guardians. Thus, the ethical committee of Tianjin First Central Hospital has exempted ethical review.
: The written informed consent was obtained from children’s parents or guardians.
: The authors declare no competing interests.
