1. IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
2. Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, Università degli Studi di Milano, 20122 Milan, Italy
3. Unit of Radiology, Ospedale Evangelico Internazionale, 16100 Genova, Italy
4. Division of Radiology, Department of Precision Medicine, Università degli Studi della Campania Luigi Vanvitelli, 80138 Naples, Italy
5. Postgraduate School of Diagnostic and Interventional Radiology, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy
6. Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, 20122 Milan, Italy
7. Department of Diagnostic and Interventional Radiology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
8. Rheumazentrum Ruhrgebiet, Ruhr University Bochum, 44649 Herne, Germany
9. Department and Hiller-Research-Unit for Rheumatology, Medical Faculty, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany