Kirchen, Manuel [P:(DE-H253)PIP1021382] ; Maier, Andreas [P:(DE-H253)PIP1014692] ; Lehe, R. [P:(DE-HGF)0] ; Jalas, Soeren [P:(DE-H253)PIP1027758] ; Shapoval, O. [P:(DE-HGF)0] ; Vay, J.-L. [P:(DE-HGF)0]