Dittmann, R. [P:(DE-Juel1)VDB5464] ; Plonka, R. [P:(DE-HGF)0] ; Vasco, E. [P:(DE-Juel1)VDB25976] ; Pertsev, N. A. [P:(DE-HGF)0] ; He, J. Q. [P:(DE-Juel1)VDB11177] ; Jia, C. L. [P:(DE-Juel1)VDB5020] ; Hoffmann-Eifert, S. [P:(DE-Juel1)VDB3102] ; Waser, R. [P:(DE-Juel1)131022]