Stoica, T. [P:(DE-Juel1)VDB5575] ; Meijers, R. [P:(DE-Juel1)VDB42064] ; Calarco, R. [P:(DE-Juel1)VDB12919] ; Richter, T. [P:(DE-Juel1)VDB43063] ; Sutter, E. [P:(DE-HGF)0] ; Lüth, H. [P:(DE-Juel1)VDB975]