Yang, Meng
Li, Xiaosheng
Liu, Youquan
Yang, Gang
Wu, Enhua
Funding for this research was provided by:
the Fundamental Research Funds for the Central Universities (BLX2012049)
National Natural Science Foundation of China (61402038)
CCF-Tencent Open Fund in 2014 (2014HXKFXX011)
the Fundamental Research Funds for the Central Universities (2015ZCQ-XX)