Cai, L-M
Lyu, X-M
Luo, W-R
Cui, X-F
Ye, Y-F
Yuan, C-C
Peng, Q-X
Wu, D-H
Liu, T-F
Wang, E
Marincola, F-M
Yao, K-T
Fang, W-Y
Cai, H-B
Li, X
Article History
Received: 5 February 2014
Revised: 1 July 2014
Accepted: 12 September 2014
First Online: 27 October 2014
Competing interests
: The authors declare no conflict of interest.