Berezov, R. [P:(DE-Ds200)OR0103] ; Chauvin, N. [P:(DE-HGF)0] ; Fils, J. [P:(DE-Ds200)OR0298] ; Hollinger, R. [P:(DE-Ds200)OR0490] ; Ivanova, V. [P:(DE-Ds200)OR3425] ; Ullmann, C. [P:(DE-HGF)0]