1. Leeds Teaching Hospitals Trust and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; Leeds UK
2. University Clinic Benjamin Franklin; Berlin Germany
3. Altoona Center for Clinical Research; Duncansville Pennsylvania
4. Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Marqués de Valdecilla-IDIVAL; Santander Spain
5. McGill University; Montreal Canada
6. Novartis Pharmaceuticals Corporation; East Hanover New Jersey
7. Novartis Pharma AG; Basel Switzerland