1. Laboratory of Molecular Biology, Graduate School of Environmental Health Sciences, Azabu University
2. Department of Veterinary Sciences, Veterinary Public Health Laboratory, Faculty of Agriculture, University of Miyazaki, Japan
3. Department of Bacteriology, Northern Ireland Public Health Laboratory, Belfast City Hospital
4. School of Biomedical Sciences, University of Ulster, Coleraine
5. Centre for Infection and Immunity, Faculty of Medicine, Dentistry and Biomedical Science, Queen’s University, Health Sciences Building, Belfast, Northern Ireland, UK