1. Connect Health, Musculoskeletal Service, Dewsbury Health Centre, Dewsbury, UK
2. Burton Hospitals NHS Foundation Trust, Queen’s Hospital, Burton-on-Trent, UK
3. Inform Physiotherapy Limited, Silverstream, New Zealand
4. Arthritis Research UK Primary Care Centre, Research Institute for Primary Care and Health Sciences, Keele Clinical Trials Unit, David Weatherall Building, Keele University, Keele, UK