van den Ham, E. J. [P:(DE-HGF)0] ; Elen, K. [P:(DE-HGF)0] ; Bonneux, G. [P:(DE-HGF)0] ; Maino, G. [P:(DE-HGF)0] ; Notten, P. H. L. [P:(DE-Juel1)165918] ; Van Bael, M. K. [P:(DE-HGF)0] ; Hardy, A. [P:(DE-HGF)0]