Tessarek, C. [P:(DE-HGF)0] ; Heilmann, M. [P:(DE-HGF)0] ; Butzen, E. [P:(DE-HGF)0] ; Haab, A. [P:(DE-Juel1)141986] ; Hardtdegen, H. [P:(DE-Juel1)125593] ; Dieker, C. [P:(DE-HGF)0] ; Spiecker, E. [P:(DE-HGF)0] ; Christiansen, S. [P:(DE-HGF)0]