Qian, Xu
Gao, Mo-Yun
Li, Ai-Dong
Zhou, Xiao-Yu
Liu, Xiao-Jie
Cao, Yan-Qiang
Li, Chen
Wu, Di
Funding for this research was provided by:
the Doctoral Fund of Ministry of Education of China (20120091110049)
the Natural Science Foundation of China (51571111)