Xu, Wangshu
Mu, Xiaopeng
Wang, Huibin
Song, Chengguang
Ma, Wenping
Jolkkonen, Jukka
Zhao, Chuansheng
Funding for this research was provided by:
National Natural Science Foundation of China (No.81372104,No.30872736)
Liaoning province Department of Education (N0.LR2013039)
China Ministry of Education (No.20112104110003)