Schenkl, S. [P:(DE-HGF)0] ; van Mourik, F. [P:(DE-HGF)0] ; Friedman, N. [P:(DE-HGF)0] ; Sheves, M. [P:(DE-HGF)0] ; Schlesinger, R. [P:(DE-Juel1)VDB1421] ; Haacke, S. [P:(DE-HGF)0] ; Chergui, M. [P:(DE-HGF)0]