1. Leeds Centre for Cystic Fibrosis; St James's University Hospital; Leeds UK
2. National Institute for Health Research-Leeds Musculoskeletal Biomedical Research Unit (NIHR-LMBRU) and Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), Wellcome Trust Brenner Building; St James's University Hospital; Leeds UK
3. Department of Clinical Immunology and Allergy; St James's University Hospital; Leeds UK