Shi, Xuanming
Zhang, Zilai
Zhan, Xiaoming
Cao, Mou
Satoh, Takashi
Akira, Shizuo
Shpargel, Karl
Magnuson, Terry
Li, Qingtian
Wang, Rongfu
Wang, Chaochen
Ge, Kai
Wu, Jiang
Article History
Received: 11 May 2014
Accepted: 30 September 2014
First Online: 5 November 2014
Competing interests
: The authors declare no competing financial interests.