Gubner, A. [P:(DE-Juel1)VDB20283] ; Nguyen-Xuan, T. [P:(DE-Juel1)VDB61307] ; Bram, M. [P:(DE-Juel1)129591] ; Remmel, J. [P:(DE-Juel1)133732] ; Haart, L.G.J. de [P:(DE-Juel1)129952]