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Authors
Shi, Linlin
Pan, Hongming
Liu, Zhen
Xie, Jiansheng
Han, Weidong
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Article History
Received: 13 April 2017
Revised: 22 June 2017
Accepted: 28 June 2017
First Online: 24 November 2017
Competing interests
: The authors declare no conflict of interest.
