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Authors
Wang, Keyan
Zhang, Wenbo
Li, Shuman
Bi, Xiaoming
Schmidt, Michaela
An, Jing
Zheng, Jie
Cheng, Jingliang http://orcid.org/0000-0001-7682-9366
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Article History
Received: 8 August 2021
Accepted: 24 November 2021
First Online: 7 December 2021
Declarations
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: Approval was obtained from the First Affiliated Hospital of Zhengzhou University ethics committee. All subjects/ legal guardians gave written consent and assent as appropriate.
: The local ethics committee approved the use of images and content from this study. Consent and assent were signed for all subjects prior to publication.
: The authors declare that they have no competing interests.
