Ralet, D. [P:(DE-HGF)0] ; Fouesneau, M. [P:(DE-HGF)0] ; Gerl, J. [P:(DE-Ds200)OR0351] ; Pietralla, N. [P:(DE-Ds200)BUDP1-0246] ; Pietri, S. [P:(DE-Ds200)OR1548]