Schmidt, Felix [P:(DE-HGF)0] ; Levin, Johannes [P:(DE-HGF)0] ; Kamp, Frits [P:(DE-2719)2812549] ; Kretzschmar, Hans [P:(DE-HGF)0] ; Giese, Armin [P:(DE-HGF)0] ; Bötzel, Kai [P:(DE-HGF)0]