Rosenkranz, T. [P:(DE-Juel1)VDB72840] ; Katranidis, A. [P:(DE-Juel1)131971] ; Atta, D. [P:(DE-Juel1)VDB86033] ; Enderlein, J. [P:(DE-HGF)0] ; Gregor, I. [P:(DE-HGF)0] ; Grzelakowski, M. [P:(DE-HGF)0] ; Rigler, P. [P:(DE-HGF)0] ; Meier, W. [P:(DE-HGF)0] ; Fitter, J. [P:(DE-Juel1)131961]