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Authors
Zhang, Mingjie
Wang, Liping
Huang, Rui
Sun, Chongrui
Bao, Nan
Xu, Zhuoming https://orcid.org/0000-0001-5695-8662
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Article History
Received: 30 November 2019
Accepted: 5 May 2020
First Online: 13 May 2020
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Institutional Review Board of Shanghai Children’s Medical Center (SCMC20190112). Parents or legal guardians provided verbal consent for their non-identifiable data. The ethics committee approved the procedure with verbal consent for the research presenting on more than minimal risk of harm to subjects and it involved no procedures for which written consent was normally required.
: Not applicable.
: The authors declare that they have no competing interests.
