Hassan, K. F. [P:(DE-HGF)0] ; Spellerberg, S. [P:(DE-Juel1)131850] ; Scholten, B. [P:(DE-Juel1)131846] ; Saleh, Z. A. [P:(DE-HGF)0] ; Qaim, S. M. [P:(DE-Juel1)131840]