Gleichenhagen, M. [P:(DE-HGF)0] ; Herzig, B. [P:(DE-HGF)0] ; Janzik, I. [P:(DE-Juel1)129338] ; Noga, G. [P:(DE-HGF)0] ; Stehle, P. [P:(DE-HGF)0] ; Galensa, R. [P:(DE-HGF)0]