Weidner, K. [P:(DE-HGF)0] ; Heinich, I. [P:(DE-HGF)0] ; Helle, G. [P:(DE-Juel1)VDB3527] ; Loffler, J. [P:(DE-HGF)0] ; Neuwirth, B. [P:(DE-HGF)0] ; Schleser, G.H. [P:(DE-HGF)0] ; Vos, H. [P:(DE-Juel1)129165]