Wu, J. F. [P:(DE-HGF)0] ; Xue, X. H. [P:(DE-HGF)0] ; Hoffmann, L. [P:(DE-Juel1)129125] ; Dou, X. K. [P:(DE-HGF)0] ; Li, H. M. [P:(DE-HGF)0] ; Chen, T. D. [P:(DE-HGF)0]