Zimmer, Cordula M. [P:(DE-HGF)0] ; Kieschnick, Michael [P:(DE-HGF)0] ; Kallis, Klaus T. [P:(DE-HGF)0] ; Schubert, Jürgen [P:(DE-Juel1)128631] ; Kunze, Ulrich [P:(DE-HGF)0] ; Doll, Theodor [P:(DE-HGF)0]