1. Department of Infectious Diseases, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
2. Department of Microbiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3. Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
4. Department of Animal and Grassland Sciences, Faculty of Agriculture, University of Miyazaki, Japan
5. Vietnam Research Station, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan
6. Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
7. London School of Hygiene and Tropical Medicine, London, UK
8. Wellcome Trust Sanger Institute, Hinxton, UK