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Authors
Wang, Kai
Peng, Chunhui
Pang, Wenbo
Wang, Dayong
Zhang, Tingchong
Wang, Zengmeng
Wu, Dongyang
Chen, Yajun http://orcid.org/0000-0001-9103-5054
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Article History
Received: 9 July 2019
Accepted: 28 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the Ethics Committee of Beijing Children’s Hospital. We retrospectively reported the data without providing any individual details.
: Not Applicable.
: The authors declare that they have no competing interest.
