Schönhals, A. [P:(DE-HGF)0] ; Frunza, S. [P:(DE-HGF)0] ; Frunza, T. [P:(DE-HGF)0] ; Unruh, T. [P:(DE-HGF)0] ; Frick, B. [P:(DE-HGF)0] ; Zorn, R. [P:(DE-Juel1)131067]