Rathgeber, S. [P:(DE-Juel1)VDB9441] ; Pakula, T. [P:(DE-HGF)0] ; Wilk, A. [P:(DE-HGF)0] ; Matyjaszewski, K. [P:(DE-HGF)0] ; Beers, K. L. [P:(DE-HGF)0]