Nickel, F. [P:(DE-Ds200)BUDP1-0219] ; Marx, D. [P:(DE-HGF)0] ; Güttner, K. [P:(DE-HGF)0] ; Hofmann, S. [P:(DE-Ds200)OR0487] ; Münzenberg, G. [P:(DE-Ds200)BUDP1-0212]