1. Edinburgh Medical School, College of Medicine and Veterinary Medicine, University of Edinburgh , Edinburgh , UK
2. School of Public Health, Nanjing Medical University , Nanjing , China
3. Centre for Neonatal & Paediatric Infection, St George’s, University of London , London , UK
4. Department of Pediatric Infectious Diseases and Immunology, Wilhelmina Children’s Hospital, University Medical Center Utrecht , Utrecht , The Netherlands
5. Oxford Vaccine Group, Department of Paediatrics, University of Oxford, and the NIHR Oxford Biomedical Research Centre , Oxford , United Kingdom
6. Infectious Diseases Translational Biomarkers, Janssen Pharmaceutica NV , Beerse , Belgium
7. Genetics, Vaccines and Infections Research Group (GENVIP). Instituto de Investigación Sanitaria de Santiago, University of Santiago , Santiago de Compostela , Spain
8. Department of Pediatrics, Translational Pediatrics and Infectious Diseases, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela , Santiago de Compostela , Spain
9. Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh , Edinburgh , UK