Ritter, C. [P:(DE-Juel1)156467] ; Wunderlich, G. [P:(DE-HGF)0] ; Macht, S. [P:(DE-HGF)0] ; Schroeter, M. [P:(DE-HGF)0] ; Fink, G. R. [P:(DE-Juel1)131720] ; Lehmann, H. C. [P:(DE-HGF)0]