van der Meer, A.-M. [P:(DE-HGF)0] ; Berger, T. [P:(DE-HGF)0] ; Müller, Frank [P:(DE-Juel1)131939] ; Foldenauer, A. C. [P:(DE-HGF)0] ; Johnen, S. [P:(DE-HGF)0] ; Walter, P. [P:(DE-HGF)0]