Ivanova, M. [P:(DE-Juel1)129617] ; Seeger, J. [P:(DE-Juel1)128526] ; Serra, J.M. [P:(DE-HGF)0] ; Solis, C. [P:(DE-HGF)0] ; Meulenberg, W.A. [P:(DE-Juel1)129637] ; Fischer, W. [P:(DE-Juel1)130459] ; Roitsch, St. [P:(DE-HGF)0] ; Buchkremer, H.P. [P:(DE-Juel1)129594]