Chen, Yehui
Yang, Liwen
Yang, Nianfa
Yan, Jingyi
Yang, Zhusheng
Funding for this research was provided by:
National Natural Science Foundation of China (21172186)
Doctor Student Research Foundation of Chinese Education Ministry (20134301110004)
Article History
Received: 9 August 2014
Revised: 8 June 2015
Accepted: 12 July 2015
First Online: 21 July 2015