Papagiannopoulos, Aristeidis [P:(DE-HGF)0] ; Sentoukas, Theodore [P:(DE-HGF)0] ; Pispas, Stergios [P:(DE-HGF)0] ; Radulescu, Aurel [P:(DE-Juel1)130905] ; Pipich, Vitaliy [P:(DE-Juel1)130893] ; Lang, Christian [P:(DE-Juel1)168105]