1. School of Health SciencesUniversity of SalfordSalfordUnited Kingdom
2. Clinical Biomechanics & Physical Medicine SectionLeeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM) and Leeds NIHR Biomedical Research UnitUniversity of LeedsLeedsUnited Kingdom
3. Arthritis Research UK Centre of Excellence in EpidemiologyCentre for Musculoskeletal ResearchUniversity of ManchesterManchesterUnited Kingdom
4. NIHR Manchester Musculoskeletal Biomedical Research UnitManchester Academic Health Sciences CentreManchesterUnited Kingdom
5. Clinical Epidemiology UnitBoston University School of MedicineBostonMassachusetts