Meng, Qinglong
Zhang, Yanfei
Ma, Chunling
Ma, Hongwu
Zhao, Xueming
Chen, Tao
Funding for this research was provided by:
National Key Basic Research Program of China (2012CB725203, 2011CBA00804)
National High Technology Research and Development Program of China (2012AA022103)
Natural Science Foundation of Tianjin (12JCYBJC33000)