Berresheim, H. [P:(DE-HGF)0] ; Plass-Dülmer, C. [P:(DE-HGF)0] ; Elste, T. [P:(DE-HGF)0] ; Mihalopoulos, N. [P:(DE-HGF)0] ; Rohrer, F. [P:(DE-Juel1)16347]