Gaiser, T. [P:(DE-HGF)0] ; Perkons, U. [P:(DE-HGF)0] ; Küpper, P.M. [P:(DE-HGF)0] ; Puschmann, D.U. [P:(DE-HGF)0] ; Peth, S. [P:(DE-HGF)0] ; Kautz, T. [P:(DE-HGF)0] ; Pfeifer, J. [P:(DE-Juel1)140327] ; Ewert, F. [P:(DE-HGF)0] ; Horn, R. [P:(DE-HGF)0] ; Köpke, U. [P:(DE-HGF)0]