Becker, Hans [P:(DE-HGF)0] ; Reimer, Uwe [P:(DE-Juel1)6697] ; Aili, David [P:(DE-HGF)0] ; Cleemann, Lars N. [P:(DE-HGF)0] ; Jensen, Jens Oluf [P:(DE-HGF)0] ; Lehnert, Werner [P:(DE-Juel1)129883] ; Li, Qingfeng [P:(DE-HGF)0]