1Rheumatology Department, Northwick Park Hospital, Arthritis Centre, Harrow, Middlesex, 2Rheumatology Department, Norfolk and Norwich University Hospital NHS Foundation Trust, Norwich, Norfolk, 3Leeds Teaching Hospitals NHS Trust and NIHR Musculoskeletal Biomedical Research Unit, Leeds Institute of Molecular Medicine, University of Leeds, Leeds, 4Rheumatology Department, Poole Hospital NHS Foundation Trust, Poole, 5Department of Rheumatology, South Devon Healthcare NHS Foundation Trust, Devon, 6National Ankylosing Spondylitis Society, Unit 0.2, One Victoria Villas, Richmond, Surrey, 7Rheumatology Department, East Kent Hospital University, Kent and 8NIHR Oxford Musculoskeletal Biomedical Research Unit, Nuffield Orthopaedic Centre, Oxford, UK
Correspondence to: Andrew Keat, Arthritis Centre, Northwick Park Hospital, Harrow, Middlesex HA1 3UJ, UK. E-mail: [email protected]
Accepted January 19, 2011