Yin, J-X.
Wu, Zheng
Wang, J-H.
Ye, Z-Y.
Gong, Jing
Hou, X-Y.
Shan, Lei
Li, Ang
Liang, X-J.
Wu, X-X.
Li, Jian
Ting, C-S.
Wang, Z-Q.
Hu, J-P.
Hor, P-H.
Ding, H.
Pan, S. H.
Article History
Received: 17 November 2014
Accepted: 20 May 2015
First Online: 22 June 2015
Competing interests
: The authors declare no competing financial interests.