Ni, Xianpu
Sun, Zhenpeng
Gu, Yawen
Cui, Hao
Xia, Huanzhang
Funding for this research was provided by:
National Natural Science Foundation of China (8127341)
General project of scientific research of the Education Department of Liaoning Province (L2014389)
Specialized Research Fund for the Doctoral Program of Higher Education (20122134130001)