Sauerwein, W [P:(DE-HGF)0] ; Hey-Hawkins, E [P:(DE-HGF)0] ; Wittig-Sauerwein, A [P:(DE-HGF)0] ; Theisen, G [P:(DE-HGF)0] ; Wortmann, B [P:(DE-HGF)0] ; Gutberlet, Thomas [P:(DE-Juel1)168124]