Hutanu, V [P:(DE-HGF)0] ; Luberstetter, W [P:(DE-HGF)0] ; Kobba, A [P:(DE-HGF)0] ; Sazonov, A [P:(DE-HGF)0] ; Meven, M [P:(DE-HGF)0] ; Heger, G [P:(DE-HGF)0] ; Roth, G [P:(DE-HGF)0]