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Authors
Tian, Fei
Han, Hua
Jia, Ligang
Zhang, Junqin
Chu, Zhaoping
Li, Jie
Zhang, Yuan
Yan, Ping
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Article History
Received: 8 March 2022
Accepted: 6 July 2022
First Online: 23 July 2022
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study is approved by relevant Ethics Committee of Hebei General Hospital(2017130) and Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: All authors declare that they have no conflict of interest.
