Poetsch, A. [P:(DE-HGF)0] ; Rexroth, S. [P:(DE-HGF)0] ; Heberle, J. [P:(DE-Juel1)VDB572] ; Link, T. A. [P:(DE-HGF)0] ; Dencher, N. A. [P:(DE-HGF)0] ; Seelert, H. [P:(DE-HGF)0]