Stickel, S. [P:(DE-HGF)0] ; Eickhoff, Simon [P:(DE-Juel1)131678] ; Habel, U. [P:(DE-Juel1)172840] ; Stickeler, E. [P:(DE-HGF)0] ; Goecke, T. W. [P:(DE-HGF)0] ; Lang, J. [P:(DE-HGF)0] ; Chechko, N. [P:(DE-HGF)0]