1. Mahidol-Oxford Tropical Research Medicine Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
2. National Institute of Animal Health, Department of Livestock Development, Bangkok, Thailand.
3. National Animal Health Laboratory, Department of Livestock and Fisheries, Ministry of Agriculture and Forestry, Vientiane, Lao PDR.
4. National Animal Health and Production Research Institute, General Directorate for Animal, Health and Production, Phnom Penh, Cambodia.
5. Biosafety and Biosecurity International, Merritt Island, Florida, USA.
6. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Nuffield Department of Medicine Research Building, University of Oxford, Oxford, United Kingdom.