Hu, Lianxin
Xu, Jiajun
Yin, Meng-Xin
Zhang, Liguo
Lu, Yi
Wu, Wenqing
Xue, Zhaoyu
Ho, Margaret S
Gao, Guanjun
Zhao, Yun
Zhang, Lei
Article History
Received: 10 June 2015
Accepted: 1 December 2015
First Online: 23 February 2016
Competing interests
: The authors declare no conflict of interest.