Kuhn, U. [P:(DE-HGF)0] ; Schmidt, B. [P:(DE-HGF)0] ; Heidecke, C. [P:(DE-HGF)0] ; Kreins, P. [P:(DE-HGF)0] ; Ackermann, A. [P:(DE-HGF)0] ; Wendland, Frank [P:(DE-Juel1)129554] ; Kunkel, Ralf [P:(DE-Juel1)129489] ; Venohr, M. [P:(DE-HGF)0] ; Mahnkopf, J. [P:(DE-HGF)0]