Sauer, D. [P:(DE-HGF)0] ; Popp, S. [P:(DE-HGF)0] ; Dittfurth, A. [P:(DE-HGF)0] ; Altdorff, Daniel [P:(DE-Juel1)136836] ; Dietrich, P. [P:(DE-HGF)0] ; Paasche, H. [P:(DE-HGF)0]