Wang, Panpan [P:(DE-Juel1)164459] ; Boothroyd, Christopher Brian [P:(DE-Juel1)144965] ; Dunin-Borkowski, Rafal [P:(DE-Juel1)144121] ; Kirkland, A. I. [P:(DE-HGF)0] ; Nellist, P. D. [P:(DE-HGF)0]