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Authors
Lai, Qiquan
Zhang, Hui
Chen, Bo
Gao, Xuejing
Chen, Ling
Tu, Bo
Li, Baifei
Hu, Bo
He, Fan
Xu, Yong
Wan, Ziming
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Article History
Received: 4 December 2019
Accepted: 24 March 2020
First Online: 31 March 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in.accordance with the ethical standards of the First Affiliated Hospital of Chongqing Medical University and with the 1964 Helsinki declaration and its later amendments.or comparable ethical standards. All patients signed informed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.
