Pozzoli, L. [P:(DE-HGF)0] ; Janssens-Maenhout, G. [P:(DE-HGF)0] ; Diehl, T. [P:(DE-HGF)0] ; Bey, I. [P:(DE-HGF)0] ; Schultz, M.G. [P:(DE-Juel1)6952] ; Feichter, J. [P:(DE-HGF)0] ; Vignati, E. [P:(DE-HGF)0] ; Dentener, F. [P:(DE-HGF)0]