1. Primary Care Centre, Versus Arthritis, School of Medicine, Keele University, Keele
2. Haywood Academic Rheumatology Centre, Midlands Partnership NHS Foundation Trust, Stoke-on-Trent
3. School of Medicine
4. Keele Clinical Trials Unit, School of Medicine, Keele University, Keele
5. Midlands Partnership NHS Foundation Trust, Stoke-on-Trent, UK