University College London, Northumbria University, University College London, University of Birmingham, University College London - Great Ormond Street Institute of Child Health, University College London, Brock University, University College London, UK Health Security Agency, UK Health Security Agency, UK Health Security Agency, University of Birmingham, Swansea University - Swansea University Medical School, London School of Hygiene & Tropical Medicine and University College London

Public Health Wales, Government of the United Kingdom - Vaccine Preventable Disease Programme, Swansea University, Swansea University, Cardiff University, Government of the United Kingdom - Vaccine Preventable Disease Programme, Cardiff University, Swansea University - Population Data Science, Welsh Government, Government of the United Kingdom - Vaccine Preventable Disease Programme, Welsh Government, Government of the United Kingdom - Vaccine Preventable Disease Programme, Government of the United Kingdom - Vaccine Preventable Disease Programme, Swansea University - Swansea University Medical School, Swansea University - Population Data Science and Government of the United Kingdom - Vaccine Preventable Disease Programme