Volz-Thomas, A. [P:(DE-Juel1)6742] ; Mihelcic, D. [P:(DE-Juel1)VDB1063] ; Konrad, S. [P:(DE-Juel1)VDB808] ; Pätz, H.-W. [P:(DE-Juel1)16214] ; Houben, N. [P:(DE-Juel1)129209] ; Platt, U. [P:(DE-HGF)0] ; Perner, C. R. [P:(DE-HGF)0] ; Corsmeier, U. [P:(DE-HGF)0] ; Neininger, B. [P:(DE-HGF)0]