Schweitzer, F. [P:(DE-HGF)0] ; Laurent, S. [P:(DE-HGF)0] ; Fink, G. R. [P:(DE-Juel1)131720] ; Barnett, Michael H. [P:(DE-HGF)0] ; Hartung, H. P. [P:(DE-HGF)0] ; Warnke, C. [P:(DE-HGF)0]