Wang, Xin
Li, Guo-Hong
Zou, Cheng-Gang
Ji, Xing-Lai
Liu, Tong
Zhao, Pei-Ji
Liang, Lian-Ming
Xu, Jian-Ping
An, Zhi-Qiang
Zheng, Xi
Qin, Yue-Ke
Tian, Meng-Qing
Xu, You-Yao
Ma, Yi-Cheng
Yu, Ze-Fen
Huang, Xiao-Wei
Liu, Shu-Qun
Niu, Xue-Mei
Yang, Jin-Kui
Huang, Ying
Zhang, Ke-Qin
Article History
Received: 20 May 2014
Accepted: 6 November 2014
First Online: 16 December 2014
Competing interests
: The authors declare no competing financial interests.