Alexandrou, C. [P:(DE-HGF)0] ; Constantinou, M. [P:(DE-HGF)0] ; Drach, V. [P:(DE-H253)PIP1012528] ; Jansen, K. [P:(DE-H253)PIP1003636] ; Kallidonis, Ch. [P:(DE-HGF)0] ; Koutsou, G. [P:(DE-HGF)0]