Zioutas, K. [P:(DE-HGF)0] ; Tsagri, M. [P:(DE-HGF)0] ; Semertzidis, Y. [P:(DE-HGF)0] ; Papaevangelou, T. [P:(DE-HGF)0] ; Georgiopoulou, E. [P:(DE-HGF)0] ; Gardikiotis, A. [P:(DE-HGF)0] ; Dafni, T. [P:(DE-HGF)0] ; Tsagri, M. [P:(DE-HGF)0] ; Semertzidis, Y. [P:(DE-HGF)0] ; Papaevangelou, T. [P:(DE-HGF)0] ; Georgiopoulou, E. [P:(DE-HGF)0] ; Dafni, T. [P:(DE-HGF)0] ; Gardikiotis, A. [P:(DE-HGF)0]