Froitzheim, J. [P:(DE-Juel1)VDB65357] ; Niewolak, L. [P:(DE-Juel1)VDB2712] ; Brandner, M. [P:(DE-Juel1)VDB81095] ; Singheiser, L. [P:(DE-Juel1)129795] ; Quadakkers, W. J. [P:(DE-Juel1)129782]