Zhang, Kai
Yang, Wei
Ma, Chao
Wang, Yan
Sun, Chunwen
Chen, Yujin
Duchesne, Paul
Zhou, Jigang
Wang, Jian
Hu, Yongfeng
Banis, Mohammad N
Zhang, Peng
Li, Fan
Li, Jianqi
Chen, Liquan
Article History
Received: 28 August 2014
Revised: 3 November 2014
Accepted: 16 November 2014
First Online: 16 January 2015
Competing interests
: The authors declare no conflict of interest.