1. Oxford Vaccine Group, Department of Paediatrics, University of Oxford
2. Nuffield Department of Primary Care Health Sciences, University of Oxford, United Kingdom
3. Oxford University Hospitals, National Health Service Foundation Trust, United Kingdom
4. Medical Research Council Human Immunology Unit, Radcliffe Department of Medicine, University of Oxford, United Kingdom
5. Translational Gastroenterology Unit, University of Oxford, United Kingdom
6. Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Blantyre
7. Institute for Infection and Global Health, University of Liverpool, United Kingdom
8. Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, Connecticut
9. Nuffield Department of Medicine, University of Oxford, United Kingdom
10. Center for Vaccine Development, University of Maryland School of Medicine, Baltimore
11. Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield
12. National Institute for Health Research Oxford Biomedical Research Centre, United Kingdom