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Authors
Ma, Hongxin
Xiong, Xilin
Gao, Panpan
Li, Xi
Yan, Yu
Volinsky, Alex A.
Su, Yanjing
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Article History
Received: 29 October 2015
Accepted: 10 May 2016
First Online: 3 June 2016
Competing interests
: The authors declare no competing financial interests.
