Verdú, J. [P:(DE-HGF)0] ; Beier, Thomas [P:(DE-Ds200)BUDP1-0020] ; Djekic, S. [P:(DE-HGF)0] ; Häffner, H. [P:(DE-HGF)0] ; Kluge, H.-J. [P:(DE-Ds200)OR0599] ; Quint, W. [P:(DE-Ds200)OR0987] ; Valenzuela, T. [P:(DE-HGF)0] ; Werth, G. [P:(DE-HGF)0]