Guo, S T
Guo, X Y
Wang, J
Wang, C Y
Yang, R H
Wang, F H
Li, X Y
Hondermarck, H
Thorne, R F
Wang, Y F
Jin, L
Zhang, X D
Jiang, C C
Article History
Received: 11 November 2016
Revised: 22 January 2017
Accepted: 31 March 2017
First Online: 15 May 2017
Competing interests
: The authors declare no conflict of interest.