Meier, G. [P:(DE-Juel1)130829] ; Lettinga, M.P. [P:(DE-Juel1)130797] ; Kohlbrecher, J. [P:(DE-HGF)0] ; Tomczyk, K. [P:(DE-Juel1)VDB89001] ; Buitenhuis, J. [P:(DE-Juel1)130577]