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Authors
Jin, Ge
Fan, Xiao-Mei
Li, Kui-Xiu
Niu, Shu-Huai
Zhang, Qian-Ying
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Article History
Received: 21 August 2018
Accepted: 17 June 2019
First Online: 28 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All the human participants have been approved by the Ethics Committee of the Fourth Hospital of Hebei Medical University.
