Javaux, M. [P:(DE-Juel1)129477] ; Oberdörster, C. [P:(DE-Juel1)VDB35190] ; Pohlmeier, A. [P:(DE-Juel1)VDB1270] ; Vanderborght, J. [P:(DE-Juel1)129548] ; Vereecken, H. [P:(DE-Juel1)129549]