Schmale, K. [P:(DE-HGF)0] ; Grünebaum, M. [P:(DE-HGF)0] ; Janssen, M. [P:(DE-HGF)0] ; Baumann, S. [P:(DE-Juel1)129587] ; Schulze-Küppers, F. [P:(DE-Juel1)129660] ; Wiemhöfer, H.-D. [P:(DE-HGF)0]