| Institution: | 1. Division of Rheumatology, Department of Internal Medicine, Mayo Clinic College of Medicine, 200 1st Street Southwest, Rochester, MN 55902, USA;2. Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic College of Medicine, 200 1st Street Southwest, Rochester, MN 55902, USA;3. Department of Rheumatology and Clinical Immunology, Charité University Medicine, Charitéplatz 1, Berlin 10117, Germany;4. Department of Rheumatology, Medical University Graz, Auenbruggerplatz 15, Graz 8036, Austria;5. Department of Immunology, Medical University Graz, Auenbruggerplatz 15, Graz 8036, Austria;6. Department of Rheumatology, Southend University Hospital, Prittlewell Chase, Westcliff, Essex SS0-0RY, UK;1. Division of Rheumatology and Immunology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA;2. Department of Dermatology, Stanford Hospital and Clinics, 450 Broadway Street, Pavilion C, Suite 242, Redwood City, CA 94063, USA;3. Division of Rheumatology, VA Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA 94304, USA;1. Rheumatology Unit, Hospitais da Universidade de Coimbra, Centro Hospitalar e Universitário de Coimbra, Praceta Prof. Mota Pinto, 3000-075 Coimbra, Portugal;2. Rheumatology, Physical medicine and Rehabilitation Department, Assiut University Hospitals, Assiut 71515, Egypt;3. Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospital NHS Trust and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Chapeltown Road, Leeds LS7 4SA, UK |
