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Authors
He, Gengxu https://orcid.org/0000-0002-2389-4110
Yao, Tong
Zhao, Lei
Geng, Hong
Ji, Qiang
Zuo, Kun
Luo, Yuanzhi
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Article History
Received: 16 May 2020
Accepted: 30 July 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Review Board of The First Affiliated Hospital of Hebei North University (Ethical approval No. 2012–021). Written informed consent was provided by each participant.
: Not applicable.
: The authors declare no competing interests.
