About the Authors
Oxford University Clinical Research Unit, Wellcome Trust Major Overseas Program, Ho Chi Minh City, Viet Nam
Hospital for Tropical Diseases, Ho Chi Minh City, Viet Nam
Centre for Tropical Medicine, University of Oxford, Oxford, United Kingdom
The authors have declared that no competing interests exist.
Conceived and designed the experiments: VT NNM JF HTT CPS. Performed the experiments: VT NNM. Analyzed the data: VT NNM CPS. Wrote the paper: VT CPS.