1. Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit, Microbiology Laboratory, Mahosot Hospital, Vientiane, Lao PDR.
2. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.
3. Division of Vector-Borne Diseases, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand.
4. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
5. Department of Medicine, Swiss Tropical and Public Health Institute, Basel, Switzerland.
6. Department of Clinical Research, University of Basel, Basel, Switzerland.
7. MIVEGEC, CNRS, IRD, Montpellier University, Montpellier, France.
8. Faculty of Veterinary Technology, Kasetsart University, Bangkok, Thailand.