1. Department of Clinical Immunology and Allergy St James's University Hospital Leeds UK
2. NIHR/Wellcome King's Clinical Research Facility King's College Hospital‐NHS Foundation Trust London UK
3. James Cook University Hospital Middlesbrough UK
4. Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust Doncaster UK
5. Inverclyde Royal Hospital Greenock UK
6. Haematological Malignancy Diagnostic Service St James's University Hospital Leeds UK
7. Leeds Institute of Rheumatic and Musculoskeletal Medicine St James's University Hospital Leeds UK