Appel, S. [P:(DE-Ds200)OR0031] ; Groening, L. [P:(DE-Ds200)OR0383] ; Adonin, A. [P:(DE-Ds200)OR0007] ; El-Hayek, Y. [P:(DE-HGF)0] ; Gerhard, P. [P:(DE-Ds200)OR1699] ; Hollinger, R. [P:(DE-Ds200)OR0490] ; Mickat, S. [P:(DE-Ds200)OR2389]