Fisseha, R. [P:(DE-Juel1)VDB66615] ; Saurer, M. [P:(DE-HGF)0] ; Jäggi, M. [P:(DE-HGF)0] ; Szidat, S. [P:(DE-HGF)0] ; Siegwolf, R. T. W. [P:(DE-HGF)0] ; Baltensperger, U. [P:(DE-HGF)0]