Boenisch, H. [P:(DE-HGF)0] ; Engel, A. [P:(DE-HGF)0] ; Schmidt, U. [P:(DE-HGF)0] ; Fischer, H. [P:(DE-HGF)0] ; Gurk, C. [P:(DE-HGF)0] ; Hoor, P. [P:(DE-HGF)0] ; Wernli, H. [P:(DE-HGF)0] ; Bregman, B. [P:(DE-HGF)0] ; Spelten, N. [P:(DE-Juel1)129155] ; Schiller, C. [P:(DE-Juel1)VDB1410]