Venables, D.S. [P:(DE-HGF)0] ; Varma, R.M. [P:(DE-HGF)0] ; Ruth, A.A. [P:(DE-HGF)0] ; Heitmann, U. [P:(DE-HGF)0] ; Tillmann, R. [P:(DE-Juel1)5344] ; Kiendler-Scharr, A. [P:(DE-Juel1)4528] ; Dorn, H.-P. [P:(DE-Juel1)16317] ; Brauers, T. [P:(DE-Juel1)16306]