1 Paediatric Immunology, Infectious Diseases & Allergy, Great North Children's Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
2 Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
3 Department of General Paediatrics, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands.
4 Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK.
5 Division Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital LMU Munich, Munich, Germany.
6 Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK.
7 Alder Hey Children's NHS Foundation Trust, Liverpool, UK.
8 Section of Paediatric Infectious Disease, Wright-Fleming Institute, Imperial College London, London, UK.
9 Department of Pediatric Immunology, Rheumatology and Infectious Diseases, Amsterdam University Medical Center, Location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
10 Pediatrics Department, Translational Pediatrics and Infectious Diseases, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain.
11 Grupo de Genetica, Vacunas, Infecciones y Pediatria, Instituto de Investigacion Sanitaria de Santiago, Universidad de Santiago, Santiago de Compostela, Spain.
12 Consorcio Centro de Investigacion Biomedicaen Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain.
13 Department of Pediatrics, Division of Pediatric Infectious Diseases & Immunology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands.
14 University Children's Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia.
15 Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK.
16 Neonatal and Pediatric Intensive Care Unit, Children's Research Center, University Children's Hospital Zürich, University of Zürich, Zurich, Switzerland.
17 2nd Department of Pediatrics, National and Kapodistrian University of Athens, Children's Hospital 'P, and A. Kyriakou', Athens, Greece.
18 Clinical Research Department, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, UK.
19 Department of Pediatrics, Rīgas Stradina Universitāte, Children's Clinical University Hospital, Riga, Latvia.
20 Micropathology Ltd, University of Warwick, Warwick, UK.
21 Department of Pediatrics and Adolescent Medicine, Division of General Pediatrics, Medical University of Graz, Graz, Austria.
22 Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
23 Medical Research Council Unit, Serrekunda, The Gambia.
24 Pediatric Infectious Diseases and Immunology, Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, The Netherlands.
25 Pediatric Infectious Diseases and Immunology, Wilhelmina Children's Hospital University Medical Center Utrecht, Utrecht, The Netherlands.
26 Paediatric Immunology, Infectious Diseases & Allergy, Great North Children's Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK. Marieke.emonts@ncl.ac.uk.
27 Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK. Marieke.emonts@ncl.ac.uk.
28 NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Trust and Newcastle University, Newcastle upon Tyne, UK. Marieke.emonts@ncl.ac.uk.