1. Department of Clinical Immunology and Allergy St James’s University Hospital Leeds UK
2. The Eden Unit University Hospitals Plymouth NHS Trust Plymouth UK
3. Department of Immunology University Hospital of Wales Cardiff UK
4. Department of Dermatology James Cook University Hospital Middlesbrough UK
5. Department of Dermatology University Hospitals Coventry and Warwickshire Coventry UK
6. The Allergy Centre Wythenshawe Hospital Manchester University Foundation Trust and University of Manchester Manchester UK
7. Department of Dermatology University Hospital of North Durham Durham UK
8. Immunology and Allergy Unit Sheffield Teaching Hospitals Sheffield UK
9. Department of Dermatology Whipps Cross Hospital and Royal London Hospital Barts Health NHS Trust London UK
10. Clinical Immunology and Allergy Unit Sheffield Teaching Hospitals Sheffield UK
11. University of Liverpool Liverpool UK
12. Respiratory and Inflammation Novartis Pharmaceuticals UK Ltd Camberley Surrey UK
13. Centre for Dermatology Salford Royal Hospital Salford UK
14. University of Manchester Manchester UK