Havel, V. [P:(DE-HGF)0] ; Fleck, K. [P:(DE-HGF)0] ; Rösgen, Bernd [P:(DE-Juel1)144776] ; Rana, Vikas [P:(DE-Juel1)145504] ; Menzel, Stephan [P:(DE-Juel1)158062] ; Böttger, U. [P:(DE-HGF)0] ; Waser, R. [P:(DE-Juel1)131022]