Li, Xiaoyu
Li, Xiaojiaoyang
Lu, Junxian
Huang, Youyi
Lv, Lili
Luan, Yongfu
Liu, Runping
Sun, Rong
Funding for this research was provided by:
National Natural Science Foundation of China (81073148, 30672649, 81374059)
National Major Fundamental Research Program of China (2009CB522802)
Shangdong Committee of Science and Technology (2008GG2NS02021)
Key Project of Shandong Natural Science Foundation of China (ZR2011HZ005)