Pietschmann, Jan [P:(DE-Juel1)174331] ; Spiegel, Holger [P:(DE-HGF)0] ; Krause, Hans-Joachim [P:(DE-Juel1)128697] ; Schillberg, Stefan [P:(DE-HGF)0] ; Schröper, Florian [P:(DE-HGF)0]