1. The Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
2. Translational and Clinical Research Institute Faculty of Medical Sciences University of Newcastle upon Tyne Newcastle upon Tyne UK
3. Alder Hey Children’s NHS Foundation Trust Liverpool UK
4. Nottingham University Hospitals NHS Trust Nottingham UK
5. Birmingham Women’s and Children’s NHS Foundation Trust Birmingham UK
6. Great Ormond Street Hospital for Children NHS Foundation Trust London UK
7. University Hospitals Bristol and Weston NHS Foundation Trust Bristol UK
8. Wrightington, Wigan and Leigh Teaching NHS Foundation Trust Wigan UK
9. Norwich Medical School University of East Anglia Norwich UK
10. Norfolk & Waveney ENT Service Norfolk UK
11. Royal Manchester Children’s Hospital Manchester University Hospitals NHS Foundation TrustManchester Academic Health Science Centre Manchester UK
12. Division of Infection, Immunity and Respiratory Medicine Faculty of Biology, Medicine and Health University of Manchester Manchester UK
13. Cambridge University Hospitals NHS Foundation Trust Cambridge UK
14. The Royal Marsden NHS Foundation Trust London UK
15. NHS Digital Leeds UK
16. Population Health Sciences Institute Faculty of Medical Sciences University of Newcastle upon Tyne Newcastle upon Tyne UK