| Affiliation: | 1. Department of Medicine, University of Cambridge, Box 157, Addenbrooke''s Hospital, Hills Road, Cambridge CB2 0QQ, United Kingdom;2. Cambridge University Hospitals NHS Foundation Trust, Hills Road, Cambridge CB2 0QQ, United Kingdom;3. Cambridge Health Protection Agency Microbiology and Public Health Laboratory, Box 236, Addenbrooke''s Hospital, Hills Road, Cambridge CB2 0QQ, United Kingdom;4. Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand |
