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Authors
Wang, Pengfei http://orcid.org/0000-0002-7235-4743
Qiao, Haixia
Wang, RuiJuan
Hou, Ruitian
Guo, Jingtao
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Article History
Received: 3 August 2020
Accepted: 24 November 2020
First Online: 4 December 2020
Ethics approval and consent to participate
: This study was reviewed and approved by the Medical Ethics Committee of Affiliated Hospital of Chengde Medical College (No. 2017011021), and all the included patients had signed written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
