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Authors
Bi, Xiao-Dong
Lu, Bao-Zhen
Pan, Xin-Xin
Liu, Sha
Wang, Jiu-Yao https://orcid.org/0000-0003-4540-9822
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Article History
Received: 12 January 2021
Accepted: 7 April 2021
First Online: 17 April 2021
Declarations
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: The research ethics committee of Nanyang First People’s Hospital, Nanyang, Henan, China, approved the study and written informed were obtained from the parents or guardians of participating children.
: All authors in this article consent for publication.
: Authors declare no competing interests for this study.
