1. The Royal Orthopaedic Hospital Birmingham UK
2. Primary Care Centre versus Arthritis, Research Institute for Primary Care and Health SciencesKeele University Staffordshire UK
3. University of Leicester Leicester UK
4. Gartnavel General Hospital Glasgow UK
5. Wakefield Musculoskeletal Service, Trinity Medical Centre Wakefield UK
6. Sandwell and West Birmingham NHS Hospitals West Bromwich UK
7. Glangwili Hospital, Carmarthen UK