Sluka, V. [P:(DE-HGF)0] ; Kákay, A. [P:(DE-Juel1)130747] ; Deac, A. M. [P:(DE-HGF)0] ; Bürgler, D. E. [P:(DE-HGF)0] ; Schneider, C. M. [P:(DE-Juel1)130948] ; Hertel, R. [P:(DE-Juel1)130709]