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Authors
Jiang, Man
Wang, Xi
Zhu, Liang
Yang, Yong-hong
Yao, Kai-hu
Dong, Fang
Shi, Wei
Wang, Qing
Song, Wen-qi
Liu, Gang http://orcid.org/0000-0001-8551-741X
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Article History
Received: 23 April 2020
Accepted: 18 February 2022
First Online: 5 April 2022
Declarations
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: This study was reviewed and approved by the Ethics Committee of Beijing Children’s Hospital Affiliated to Capital Medical University (IEC-C-008-A08-V.05.1), Informed consent was waived because this was a retrospectively study. We obtained patient data from the Medical Records and Statistics Room. We analysed the data anonymously. The raw data were permitted by the Ethics Committee of Beijing Children’s Hospital Affiliated to Capital Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
