Liu, L. [P:(DE-HGF)0] ; Andreani-Aksoyoglu, S. [P:(DE-HGF)0] ; Keller, J. [P:(DE-HGF)0] ; Braathen, G.O. [P:(DE-HGF)0] ; Schultz, M. [P:(DE-Juel1)6952] ; Prévôt, A.S.H. [P:(DE-HGF)0] ; Isaksen, I. S. A. [P:(DE-HGF)0]