1. Newcastle University Faculty of Medical Sciences Newcastle upon Tyne UK
2. Fifth Sense Barrow‐on‐Furness UK
3. Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
4. The Norfolk Smell & Taste Clinic (Norfolk & Waveney ENT Service) James Paget University Hospital Gorleston UK
5. Norwich Medical School University of East Anglia Norwich UK