Luo, Z.J. [P:(DE-HGF)0] ; Kley, D. [P:(DE-Juel1)16204] ; Johnson, R.H. [P:(DE-HGF)0] ; Liu, G.Y. [P:(DE-HGF)0] ; Nawrath, S. [P:(DE-HGF)0] ; Smit, H.G.J. [P:(DE-Juel1)16203]