Malaestean, I.L. [P:(DE-HGF)0] ; Kutluca, M. [P:(DE-HGF)0] ; Speldrich, M. [P:(DE-HGF)0] ; Ellern, A. [P:(DE-HGF)0] ; Kögerler, P. [P:(DE-Juel1)VDB12080]