Affiliation: | 1. Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam;2. International University, Vietnam National University, Hanoi, Vietnam;3. Sub-Department of Animal Health, Dong Thap Province, Cao Lanh, Vietnam;4. Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam Nuffield Department of Medicine, Oxford University, Oxford, UK |