Harzheim, D. [P:(DE-Juel1)VDB28136] ; Pfeiffer, K.H. [P:(DE-Juel1)VDB74441] ; Fabritz, L. [P:(DE-HGF)0] ; Kremmer, E. [P:(DE-HGF)0] ; Buch, T. [P:(DE-HGF)0] ; Waisman, A. [P:(DE-HGF)0] ; Kirchhof, P. [P:(DE-HGF)0] ; Kaupp, U. B. [P:(DE-Juel1)VDB728] ; Seifert, R. [P:(DE-Juel1)VDB1505]