Jacobs, P. [P:(DE-HGF)0] ; Houben, A. [P:(DE-HGF)0] ; Schweika, W. [P:(DE-Juel1)130963] ; Walter, J. [P:(DE-HGF)0] ; Conrad, H. [P:(DE-Juel1)VDB245] ; Müller, P. [P:(DE-HGF)0] ; Hansen, B. T. [P:(DE-HGF)0] ; Brückel, T. [P:(DE-Juel1)130572] ; Dronskowski, R. [P:(DE-HGF)0]