de Groot, J. [P:(DE-Juel1)VDB73938] ; Kentzinger, E. [P:(DE-Juel1)130754] ; Voigt, J. [P:(DE-Juel1)VDB1717] ; Gukasov, A. [P:(DE-HGF)0] ; Gillon, B. [P:(DE-HGF)0] ; Brückel, T. [P:(DE-Juel1)130572]