Kämpfer, David [P:(DE-HGF)0] ; Kovalchuk, Serhii [P:(DE-Juel1)195702] ; Hofmann, Jonathan K. [P:(DE-Juel1)192445] ; Balashov, Timofey [P:(DE-Juel1)179477] ; Cherepanov, Vasily [P:(DE-Juel1)128762] ; Voigtländer, Bert [P:(DE-Juel1)128794] ; Morawski, Ireneusz [P:(DE-HGF)0] ; Tautz, F. Stefan [P:(DE-Juel1)128791] ; Lüpke, Felix [P:(DE-Juel1)162163]