Shan, Shan
Gu, Liubao
Lou, Qinglin
Ouyang, Xiaojun
Yu, Yun
Wu, Haidi
Bian, Rongwen
Funding for this research was provided by:
the Department of Science and Technology of Jiangsu Province (No. BS2010089)
National Natural Science Foundation of China (No. 71373132)