Ali-Khan, I. [P:(DE-HGF)0] ; Miketta, E. [P:(DE-HGF)0] ; Schmidt, M. [P:(DE-HGF)0] ; Forkel von Quednow, E. [P:(DE-HGF)0] ; Hoven, H. [P:(DE-HGF)0] ; Scheidler, G. [P:(DE-HGF)0] ; Tirtey, W. [P:(DE-HGF)0] ; Souschek, K. [P:(DE-HGF)0] ; Ellinghaus, H. R. [P:(DE-HGF)0]