1. Northern Ireland Public Health Laboratory, Department of Bacteriology, Belfast City Hospital, Belfast, Northern Ireland, UK
2. School of Medicine, Dentistry and Biomedical Sciences, Queen’s University of Belfast, Royal Group of Hospitals, Belfast, Northern Ireland, UK
3. School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, UK
4. Laboratory for Molecular Biology, School of Environmental Health Sciences, Azabu University, Sagamihara, Japan