Yu, Z.
Xu, H.
Chen, H.
Pei, Y.
Fang, D.
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (11090330)
National Natural Science Foundation of China (CN) (11090331)
National Natural Science Foundation of China (CN) (11072003)
Beijing Nova Program (CN) (Z151100000315041)