Yu, Chengyu
Guo, Yingfen
Ge, Juan
Hu, Yumei
Dong, Jungang
Dong, Zhensheng
Funding for this research was provided by:
National Natural Science Foundation of China (31071454)
Program for New Century Excellent Talents in University (NCET-10-0693)
Article History
Received: 5 December 2014
Accepted: 3 July 2015
First Online: 18 July 2015