Höh, M. [P:(DE-HGF)0] ; Friedel, B. [P:(DE-HGF)0] ; Pieruschka, R. [P:(DE-Juel1)129379] ; Rascher, U. [P:(DE-Juel1)129388] ; Schurr, U. [P:(DE-Juel1)129402] ; Wagner, S. [P:(DE-HGF)0] ; Ebert, V. [P:(DE-HGF)0]