Spellerberg, S. [P:(DE-Juel1)131850] ; Scholten, B. [P:(DE-Juel1)131846] ; Spahn, I. [P:(DE-Juel1)131849] ; Bolten, W. [P:(DE-HGF)0] ; Holzgreve, M. [P:(DE-Juel1)131825] ; Coenen, H. H. [P:(DE-Juel1)131816] ; Qaim, S. M. [P:(DE-Juel1)131840]