University of Edinburgh - Asthma UK Centre for Applied Research, Victoria University of Wellington - School of Health, University of Strathclyde - Department of Mathematics & Statistics, University of Edinburgh - Centre for Global Health, University of Edinburgh - Usher Institute of Population Health Sciences and Informatics, University of St. Andrews - School of Medicine, Swansea University - Health Data Research UK, Swansea University - Population Data Science, BREATHE – The Health Data Research Hub for Respiratory Health, Queen’s University Belfast - Public Health Agency, University of Edinburgh - Usher Institute of Population Health Sciences and Informatics, University of Oxford, University of Edinburgh - Centre for Medical Informatics, Swansea University - Health Informatics Group, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Glasgow - Institute of Health and Wellbeing, The University of Edinburgh - Royal Infirmary of Edinburgh, University of St. Andrews - School of Medicine, Nuffield Department of Primary Care Health Sciences, University of Oxford, Public Health Scotland, Public Health Scotland, Public Health Scotland, University of Strathclyde - Department of Mathematics & Statistics, University of Aberdeen - Centre of Academic Primary Care, University of Edinburgh - Usher Institute, University of Edinburgh - Usher Institute of Population Health Sciences and Informatics, Swansea University - Population Data Science, University of Oxford - Nuffield Department of Primary Care Health Sciences, Public Health Scotland - Clinical and Public Health Intelligence Team, University of Edinburgh - Usher Institute of Population Health Sciences and Informatics and University of Edinburgh - Usher Institute

Immunisation and Countermeasures Division, Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Joint Modelling Team, United Kingdom Health Security Agency, Public Health England - Immunisation and Countermeasures Division, Immunisation and Countermeasures Division, Public Health England, BPSU, Royal College of Paediatrics, BPSU, Royal College of Paediatrics, Paediatric Intensive Care Unit, Bristol Royal Hospital for Children, Department of congenital cardiology, University Hospital Southampton NHS Foundation Trust, BMBS, Alder Hey Children’s NHS Foundation Trust, Liverpool, Government of the United Kingdom - Birmingham Women’s and Children’s NHS Foundation Trust, Imperial College Healthcare NHS Trust - Paediatric Infectious Diseases Department, Paediatric Intensive Care Unit, St George’s Hospital, Public Health Scotland - Clinical and Public Health Intelligence Team, Public Health Wales, University of Edinburgh - Department of Child Life and Health, University of Liverpool - NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, Faculty of Medicine and Institute for Life Sciences, University of Southampton, University Hospitals Bristol NHS Foundation Trust, Government of the United Kingdom - Public Health England and Government of the United Kingdom - Immunisation and Countermeasures Division

University of Oslo - Norwegian Advisory Unit for Women's Health, University of Oslo - Norwegian Advisory Unit for Women's Health, Stockholm University, University of Alcala, National Center for Child Health and Development - Department of Social Medicine, Government of the Republic of Finland - National Institute for Health and Welfare, University of Copenhagen, Université Libre de Bruxelles (ULB) - Faculty of Medicine, La Trobe University, Public Health Scotland - Clinical and Public Health Intelligence Team and University of Manitoba - Rady Faculty of Health Sciences