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Authors
Fan, Xiao-Yang
Chen, Xin-You
Liu, Yu-Jiao
Zhong, Hui-Min
Jiang, Feng-Lei
Liu, Yi
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Article History
Received: 12 January 2016
Accepted: 27 June 2016
First Online: 19 July 2016
Competing interests
: The authors declare no competing financial interests.
