1. Population, Policy and Practice Department, UCL Great Ormond Street Institute of Child Health, UK
2. NHS North Thames Genomic Laboratory Hub, Great Ormond Street Hospital for Children NHS Foundation Trust, UK
3. Division of Surgery & Interventional Science, Faculty of Medical Sciences, University College London, UK
4. Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, UK
5. Nuffield Department of Primary Care Health Sciences, University of Oxford, UK
6. Department of Psychiatry, University of Cambridge, UK
7. Immunisation Department, UK Health Security Agency, UK
8. Paediatric Infectious Diseases Research Group, St George’s University of London, UK