Schumacher, D. [P:(DE-Juel1)VDB73944] ; Steffen, A. [P:(DE-Juel1)141865] ; Voigt, J. [P:(DE-Juel1)VDB1717] ; Schubert, J. [P:(DE-Juel1)128631] ; Ambaye, H. [P:(DE-HGF)0] ; Lauter, V. [P:(DE-HGF)0] ; Freeland, J. [P:(DE-HGF)0] ; Brückel, T. [P:(DE-Juel1)130572]