1. Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. Center for Food and Waterborne Disease, International Center for Diarrheal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
3. Bureau of General Communicable Diseases, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand
4. Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
5. National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Thailand
6. National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
7. Maryland Pathogen Research Institute, University of Maryland, College Park, Maryland, USA
8. University of Maryland Institute for Advanced Computer Studies, College Park, MD, USA
9. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA