Li, Zhuo
Chen, Xin
Li, Lulu
Wang, Xiangkun
Funding for this research was provided by:
National Natural Science Foundation of China (61370065)
National Natural Science Foundation of China (61502040)
National Key Technology Research and Development Program of the Ministry of Science and Technology of China (2015BAK12B03-03)
Beijing Municipal Program for Excellent Teacher Promotion (PXM2017_014224_000028)
Qinxin Talent Program of Beijing Information Science and Technology University
Article History
Received: 13 July 2017
Accepted: 23 November 2017
First Online: 12 December 2017