Wang, Jing
Hua, Liu-shuai
Pan, Hong
Zhang, Liang-zhi
Li, Ming-xun
Huang, Yong-zhen
Li, Zhuan-jian
Lan, Xian-yong
Lei, Chu-zhao
Li, Cong-jun
Chen, Hong
Article History
Received: 18 March 2015
Accepted: 16 June 2015
First Online: 20 July 2015
Competing interests
: The authors declare no competing financial interests.