1. Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
2. Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit, Microbiology Laboratory, Mahosot Hospital, Vientiane, Laos
3. Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Northern Territory, Australia
4. Department of Infectious Diseases, Royal Darwin Hospital, Darwin, Northern Territory, Australia
5. Northern Territory Medical Program, Royal Darwin Hospital, Darwin, Northern Territory, Australia
6. Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, Old Road Campus, University of Oxford, Oxford, United Kingdom
7. Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom