Cai, Xingju
Han, Deren
Yuan, Xiaoming
Funding for this research was provided by:
National Natural Science Foundation of China (CN) (11401315)
National Natural Science Foundation of China (11371197, 11431002)
NSFC/RGC Joint Research Scheme (N_PolyU504/14)
NSF from Jiangsu province (BK20140914)