Ma, Mai-Juan
Yang, Xiao-Xian
Qian, Yan-Hua
Zhao, Si-Yan
Hua, Sha
Wang, Tie-Cheng
Chen, Shan-Hui
Ma, Guang-Yuan
Sang, Xiao-Yu
Liu, Lin-Na
Wu, Ai-Ping
Jiang, Tai-Jiao
Gao, Yu-Wei
Gray, Gregory C.
Zhao, Teng
Ling, Xia
Wang, Jing-Lin
Lu, Bing
Qian, Jun
Cao, Wu-Chun
Article History
Received: 8 August 2014
Accepted: 28 November 2014
First Online: 23 December 2014
Competing interests
: The authors declare no competing financial interests.