1. Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam.
2. Sub-Department of Animal Health, Dong Thap Province, Cao Lanh, Vietnam.
3. Department of Preventive Medicine, Dong Thap Province, Cao Lanh, Vietnam.
4. Finnish Forest Research Institute, Vantaa, Finland.
5. Haartman Institute, University of Helsinki, Helsinki, Finland.
6. HUSLAB, Department of Virology and Immunology, Helsinki University Central Hospital, Helsinki, Finland.
7. Faculty of Veterinary Medicine, Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland.
8. Université Montpellier, Montpellier, France.
9. Nuffield Department of Medicine, Oxford University, Oxford, United Kingdom.