1. Children's Hospital 1 Ho Chi Minh City Vietnam
2. Oxford University Clinical Research Unit in partnership with the Hospital for Tropical Diseases Ho Chi Minh City Vietnam
3. Nuffield Department of Medicine Centre for Tropical Medicine University of Oxford Oxford UK
4. Department of Medical Microbiology Academic Medical Centre University of Amsterdam Amsterdam The Netherlands
5. Department of Global Health‐Amsterdam Institute of Global Health and Development Academic Medical Centre University of Amsterdam Amsterdam The Netherlands