Chen, Xin
Bi, Yue
Wang, Tianyang
Li, Pengfei
Yan, Xin
Hou, Shanshan
Bammert, Catherine E.
Ju, Jingfang
Gibson, K. Michael
Pavan, William J.
Bi, Lanrong
Article History
Received: 8 October 2014
Accepted: 4 February 2015
First Online: 11 March 2015
Competing interests
: The authors declare no competing financial interests.