Simon, D. [P:(DE-HGF)0] ; Gorr, B. [P:(DE-HGF)0] ; Hänsel, Michael [P:(DE-Juel1)129729] ; Shemet, Vladimir [P:(DE-Juel1)129794] ; Christ, H. J. [P:(DE-HGF)0] ; Quadakkers, Willem J. [P:(DE-Juel1)129782]