Liu, Fa-en
Wang, Zhi-gong
Li, Zhi-qun
Li, Qin
Tang, Lu
Yang, Ge-liang
Funding for this research was provided by:
National Basic Research Program(973) of China (2010CB327404)
National High-Tech R&D Program(863) of China (2011AA10305)
National Natural Science Foundation of China (60901012, 61106024)