Lu, Lei
Zhang, Lei
Ji, Shijun
Han, Yanjun
Zhao, Ji
Funding for this research was provided by:
National High Technology Research and Development Program (863 Program) of China (2012AA041304)
National Key Basic Research and Development Program (973 program) of China (2011CB706702)
Specialized Research Fund for the Doctoral Program of Higher Education of China (20110061110022)