Shi, Yanhong
Xu, Ling-Zhi
Peng, Kangsheng
Wu, Wei
Wu, Ruijin
Liu, Zhi-Qiang
Yang, Gui
Geng, Xiao-Rui
Liu, Jun
Liu, Zhi-Gang
Liu, Zhanju
Yang, Ping-Chang
Article History
Received: 28 May 2015
Accepted: 18 September 2015
First Online: 2 December 2015
Competing interests
: The authors declare no competing financial interests.