1. Guy’s and St Thomas’ Hospitals London UK
2. Norwich Medical School UEA Norwich UK
3. University Hospital Southampton Southampton UK
4. South Yorkshire Deanery Leeds UK
5. Oxford University Hospitals Oxford UK
6. University Hospitals Birmingham NHS Trust Birmingham UK
7. Nottingham University Hospital Nottingham UK
8. Spire Regency Hospital Macclesfield UK
9. University Hospital Wales Cardiff UK
10. The Royal National Throat Nose and Ear Hospital London UK
11. The Freeman Hospital and University of Newcastle Newcastle upon Tyne UK
12. University of Edinburgh Edinburgh UK
13. Central Manchester & Manchester Children's Foundation Trust Manchester UK
14. Abscent
15. Fifth Sense
16. WWL NHS FT Wigan UK