Wang, Liqiang
Qian, Kun
Huang, Yan
Jin, Nana
Lai, Hongyan
Zhang, Ting
Li, Chunhua
Zhang, Chunrui
Bi, Xiaoman
Wu, Deng
Wang, Changliang
Wu, Hao
Tan, Puwen
Lu, Jianping
Chen, Liqun
Li, Kongning
Li, Xia
Wang, Dong
Article History
Received: 30 October 2014
Accepted: 18 December 2014
First Online: 28 January 2015
Competing interests
: The authors declare no competing financial interests.