Chen, Cheng
Zhu, Changhong
Huang, Jian
Zhao, Xian
Deng, Rong
Zhang, Hailong
Dou, Jinzhuo
Chen, Qin
Xu, Ming http://orcid.org/0000-0002-3996-4304
Yuan, Haihua
Wang, Yanli
Yu, Jianxiu
Article History
Received: 12 February 2015
Accepted: 12 October 2015
First Online: 19 November 2015
Competing interests
: The authors declare no competing financial interests.