Barnikol, T.T. [P:(DE-Juel1)VDB77377] ; Pawelczyk, N. [P:(DE-Juel1)VDB97793] ; Barnikol, U.B. [P:(DE-Juel1)131615] ; Kuhn, J. [P:(DE-HGF)0] ; Lenartz, D. [P:(DE-HGF)0] ; Sturm, V. [P:(DE-HGF)0] ; Tass, P.A. [P:(DE-Juel1)131884] ; Freund, H.-J. [P:(DE-Juel1)VDB45719]