Lübben, Michael [P:(DE-Juel1)162283] ; Karakolis, Panagiotis [P:(DE-HGF)0] ; Ioannou-Sougleridis, Vassilios [P:(DE-HGF)0] ; Normand, Pascal [P:(DE-HGF)0] ; Dimitrakis, Panagiotis [P:(DE-HGF)0] ; Valov, Ilia [P:(DE-Juel1)131014]