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Authors
Li, Yongliang
Jiang, Tao
Lin, Shaoliang
Lin, Jiaping
Cai, Chunhua
Zhu, Xingyu
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Article History
Received: 17 December 2014
Accepted: 30 March 2015
First Online: 12 May 2015
Competing interests
: The authors declare no competing financial interests.
