Koenderink, G. H. [P:(DE-HGF)0] ; Zhang, H. [P:(DE-Juel1)VDB1837] ; Aarts, D.G.A.L. [P:(DE-HGF)0] ; Lettinga, M. P. [P:(DE-Juel1)130797] ; Philipse, R. H. [P:(DE-HGF)0] ; Nägele, G. [P:(DE-Juel1)130858]