Affiliations

• ¹ Rheumatology Department, Norfolk and Norwich University Hospital, Norwich louise.hamilton@nnuh.nhs.uk.
• ² Rheumatology Department, New Cross Hospital, Wolverhampton.
• ³ Rheumatology Department, Royal National Hospital for Rheumatic Diseases, Bath.
• ⁴ Private residence, Grantham.
• ⁵ National Ankylosing Spondylitis Society, London, UK.
• ⁶ Institute of Applied Health Sciences, University of Aberdeen, Aberdeen.
• ⁷ Rheumatology Department, Torbay Hospital, Torquay.
• ⁸ Rheumatology Department, Inverclyde Royal Hospital, Greenock.
• ⁹ NIHR Leeds Musculoskeletal Biomedical Research Unit, Chapel Allerton Hospital, Leeds.
• ¹⁰ Honiton Surgery and Rheumatology Department, Royal Devon and Exeter Hospital, Exeter.
• ¹¹ Rheumatology Department, Musgrave Park Hospital, Belfast Health and Social Care Trust, Belfast.
• ¹² Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow.
• ¹³ Rheumatology Department, Kent and Canterbury Hospital, Canterbury.
• ¹⁴ Rheumatology Department, Norfolk and Norwich University Hospital, Norwich.