| Affiliation: | 2. Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Clinical Epidemiology Unit, Lund, Sweden;3. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark;4. GREMPAL (Grup de Recerca en Epidemiologia de Les Malalties Prevalents de L''Aparell Locomotor), Idiap Jordi Gol Primary Care Research Institute and CIBERFes, Universitat Autònoma de Barcelona and Instituto de Salud Carlos III, Barcelona, Spain;6. Pharmaco- and Device Epidemiology, Centre for Statistics in Medicine - Nuffield Department of Orthopaedics, Rheumatology, And Musculoskeletal Sciences, University of Oxford, UK;5. Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, MA, USA |
