1. Division of Radiology, Aarhus University Hospital, Aarhus, Denmark
2. Department of Diagnostic Imaging, The Sheba Medical Center, Tel Aviv University, Tel Aviv, Israel
3. Department of Radiology, Ghent University Hospital, Ghent, Belgium
4. Department of MSK Radiology, Leeds Teaching Hospitals, Chapel Allerton Orthopaedic Centre, Leeds, United Kingdom
5. Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup and University of Copenhagen, Glostrup, Denmark
6. Department of Radiology, Medical University Innsbruck, Section Rheumatology and Sports Imaging, Innsbruck, Austria
7. Department of Musculoskeletal Radiology, University Hospital of Lille, Lille, France
8. Department of Radiology, Karolinska University Hospital, Stockholm, Sweden
9. Division of Musculoskeletal Radiology, Department of Radiology, University of Amsterdam, Academic Medical Center, Amsterdam, The Netherlands
10. Department of Diagnostic and Interventional Radiology, University Düsseldorf and Practice for Radiology, Nuklear Medicine and Radiotherapy, Bottop, German
11. Department of Radiology, Aarhus University Hospital Aarhus C, Aarhus, Denmark
12. Service de Radiopédiatrie, Hôpital Jeanne de Flandre, CHRU de Lille, Lille, France
13. Department of Radiology, UMC Maribor, Maribor, Slovenia
14. Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
15. Department of Radiology, Erasmus MC Rotterdam, Rotterdam, The Netherlands
16. Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Ulm, Germany
17. NIHR Leeds Musculoskeletal Biomedical Imaging Unit, Leeds Teaching Hospitals, Leeds, United Kingdom
18. Department of Radiology B, Cochin Hospital, Paris University of Descartes, Paris Cedex, France
19. Department of Diagnostic Imaging, Hospital da Luz, Luz-Saude, Lisbon, Portugal
20. Ultrasound Unit, Private Radiological Institution, Athens, Greece
21. Department of Radiology, University of Bruxelles, Reine Fabiola Children's University Hospital of Bruxelles, Brussels, Belgium
22. Department of Biomedical Imaging und Image-guided Therapy, Medical University of Vienna, Vienna, Austria
23. Department of Radiology, Hospitals of Leicester, Leicester Royal Infirmary, Leicester, United Kingdom
24. Department of Radiology, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary
25. Department of Radiology, Oxford University Hospitals NHS Trust, Nuffield Orthopaedic Centre, Oxford, United Kingdom
26. Department of Radiology, Scientific Institute Hospital “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Italy
27. Department of Radiology, Akademiska Sjukhuset, University Hospital, Uppsala, Sweden
28. Division of Neuroradiology and Musculoskeletal Radiology, Department of Biomedical Imaging and Image-guided Therapy, University of Vienna, Vienna, Austria
29. Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, and Imaging Diagnostic Department, Warsaw Medical University, Poland