Huang, Huang
Liu, Jiang-Qi
Yu, Yong
Mo, Li-Hua
Ge, Rong-Ti
Zhang, Huan-Ping
Liu, Zhi-Gang
Zheng, Peng-Yuan
Yang, Ping-Chang
Article History
Received: 27 October 2014
Revised: 26 December 2014
Accepted: 27 December 2014
First Online: 16 February 2015
Competing interests
: The authors have no conflicts of interest regarding this paper.