Sluka, V. [P:(DE-HGF)0] ; Kakay, Attila [P:(DE-Juel1)130747] ; Deac, A. M. [P:(DE-HGF)0] ; Bürgler, Daniel [P:(DE-Juel1)130582] ; Schneider, Claus Michael [P:(DE-Juel1)130948] ; Hertel, R. [P:(DE-HGF)0]