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Authors
Huang, Ai
Chen, Qiong
Yang, Wei
Cui, Yan
Wang, Qingzhi
Wei, Haiyan
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Article History
Received: 22 April 2022
Accepted: 12 January 2023
First Online: 23 January 2023
Declarations
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: The study was approved by the ethics committee of Henan Children’s Hospital, respecting the Declaration of Helsinki for human subjects. As the study is retrospective, Ethics committee of Henan Children’s Hospital waived the need for informed consent (Ethical number: 2022–K–019).
: Not applicable.
: The authors declare that they have no competing interests.
