1. Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand;
2. Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand;
3. Medical Department, Sunpasitthiprasong Hospital, Ubon Ratchathani, Thailand;
4. Center for Tropical Medicine and Global Health, University of Oxford, Oxford, United Kingdom;
5. Department of Tropical Hygiene, Mahidol University, Bangkok, Thailand;
6. Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, United Kingdom