1. Oxford Vaccine Group, Department of Paediatrics, University of Oxford , Oxford , United Kingdom
2. Translational Biomarkers, Infectious Diseases Therapeutic Area, Janssen Pharmaceutica NV , Beerse , Belgium
3. Big Data Institute, Nuffield Department of Medicine, University of Oxford , Oxford , United Kingdom
4. GlaxoSmithKline , Wavre , Belgium
5. Department of Paediatric Immunology and Infectious Diseases, Wilhelmina Children’s Hospital, University Medical Center Utrecht , Utrecht , Netherlands
6. National Heart and Lung Institute, Imperial College London , London , United Kingdom
7. Centre for Global Health, Usher Institute, Edinburgh Medical School, University of Edinburgh , Edinburgh , United Kingdom
8. Translational Pediatrics and Infectious Diseases, Hospital Clínico Universitario de Santiago de Compostela , Santiago de Compostela , Spain
9. Paediatric Infectious Diseases Research Group, Institute for Infection and Immunity, St George’s, University of London , London , United Kingdom
10. NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom