1. Division of Pulmonary, Critical Care & Sleep Medicine, Department of Medicine,
2. Division of Pediatric Critical Care Medicine, Department of Pediatrics, and
3. Department of Microbiology and Immunology and
4. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand;
5. Department of Medicine, Udon Thani Hospital, Udon Thani, Thailand;
6. Department of Medicine, Khon Kaen Regional Hospital, Khon Kaen, Thailand;
7. Department of Medicine, Nakhon Phanom Hospital, Nakhon Phanom, Thailand;
8. Department of Medicine, Mukdahan Hospital, Mukdahan, Thailand;
9. Department of Medicine, Roi Et Hospital, Roi Et, Thailand;
10. Department of Medicine, Surin Hospital, Surin, Thailand;
11. Department of Medicine, Buriram Hospital, Buriram, Thailand;
12. Department of Medicine, Sisaket Hospital, Sisaket, Thailand;
13. Department of Medicine, Srinagarind Hospital, and
14. Center of Tropical Medicine and Global Health, University of Oxford, Oxford, United Kingdom; and
15. Center for Research and Development of Medical Diagnostic Laboratories, Khon Kaen University, Khon Kaen, Thailand;
16. Department of Medical Technology, Faculty of Associated Medical Science, Chiang Mai University, Chiang Mai, Thailand
17. Department of Global Health, University of Washington, Seattle, Washington;