Liu, Suzhen
Deng, Chenglong
Xiao, Jule
Li, Jinhua
Paterson, Greig A.
Chang, Liao
Yi, Liang
Qin, Huafeng
Pan, Yongxin
Zhu, Rixiang
Article History
Received: 25 July 2014
Accepted: 11 December 2014
First Online: 23 January 2015
Competing interests
: The authors declare no competing financial interests.