Wang, Guangxi
Hu, Zhiqiang
Fu, Qiuting
Song, Xu
Cui, Qiankun
Jia, Renyong
Zou, Yuanfeng
He, Changliang
Li, Lixia
Yin, Zhongqiong
Article History
Received: 7 September 2016
Accepted: 17 February 2017
First Online: 21 March 2017
Competing interests
: The authors declare no competing financial interests.