Sotiropoulou, R. E. P. [P:(DE-HGF)0] ; Tagaris, E. [P:(DE-HGF)0] ; Pilinis, C. [P:(DE-HGF)0] ; Anttila, T. [P:(DE-Juel1)VDB45939] ; Kulmala, M. [P:(DE-HGF)0]