Stein, O. [P:(DE-Juel1)3709] ; Schultz, M. G. [P:(DE-Juel1)6952] ; Bouarar, I. [P:(DE-HGF)0] ; Clark, H. [P:(DE-HGF)0] ; Katragkou, E. [P:(DE-HGF)0] ; Leitao, J. [P:(DE-HGF)0] ; Heil, A. [P:(DE-Juel1)7292]