Yao, Jie
Koski, Kristie J.
Luo, Weidong
Cha, Judy J.
Hu, Liangbing
Kong, Desheng
Narasimhan, Vijay Kris
Huo, Kaifu
Cui, Yi
Article History
Received: 11 March 2014
Accepted: 27 October 2014
First Online: 28 November 2014
Competing interests
: The authors declare no competing financial interests.