Guo, Xiangfeng
Zhang, Yingying
Jia, Lihua
Liu, Yanyan
Zhu, Zhanbo
Zhang, Yu
Yang, Rui
Funding for this research was provided by:
National Natural Science Foundation of China (21176125)
the Natural Science Foundation of Heilongjiang Province of China (B201114, B201314, JX201210, QC2010054)
the National Natural Science Foundation of China (21176125)