1. Arthritis Research UK Centre for Epidemiology, Centre for Musculoskeletal Research, School of Biological Sciences, Manchester Academic Health Science CentreThe University of Manchester Manchester UK
2. Health eResearch Centre, Centre for Health Informatics, School of Health Sciences, Manchester Academic Health Science CentreThe University of Manchester Manchester UK
3. Faculty of Science, Division of Pharmacoepidemiology and Clinical PharmacologyUtrecht University Utrecht The Netherlands
4. Department of Epidemiology, Biostatistics & Occupational HealthMcGill University Montreal Canada
5. NIHR Manchester Biomedical Research CentreCentral Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre Manchester UK
6. Rheumatology DepartmentSalford Royal NHS Foundation Trust Salford UK