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Authors
Zhai, Naicui
Chi, Xiumei
Li, Tianyang
Song, Hongxiao
Li, Haijun
Jin, Xia
Crispe, Ian Nicholas
Su, Lishan
Niu, Junqi
Tu, Zhengkun
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Article History
Received: 26 July 2014
Revised: 6 November 2014
Accepted: 7 November 2014
First Online: 22 December 2014
Competing interests
: The authors declare that they have no conflict of interest.
