Zhang, Yuan
Sun, Qi-ying
Yu, Ren-he
Guo, Ji-feng
Tang, Bei-sha
Yan, Xin-xiang
Funding for this research was provided by:
the Major State Basic Research Development Program of China ("973" Program) (2011CB510000)
the National Natural Science Foundation of China (81130021)
the National Natural Science Foundation of China (81171198)
the National Natural Science Foundation of China (81371405)
the National Natural Science Foundation of China (81361120404)