Dobovicnik, T. [P:(DE-HGF)0] ; Bauer, H. [P:(DE-HGF)0] ; Puxbaum, H. [P:(DE-HGF)0] ; Petzold, A. [P:(DE-Juel1)136669] ; Ibrahim, A. [P:(DE-HGF)0] ; Hitzenberger, R. [P:(DE-HGF)0] ; Mocnik, G. [P:(DE-HGF)0]