Miao, H.
Qian, T.
Shi, X.
Richard, P.
Kim, T. K.
Hoesch, M.
Xing, L. Y.
Wang, X.-C.
Jin, C.-Q.
Hu, J.-P.
Ding, H.
Article History
Received: 5 July 2014
Accepted: 9 December 2014
First Online: 13 January 2015
Competing interests
: The authors declare no competing financial interests.