1 Medicine & Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, via Cesare Pupilli 1, 40136 Bologna, Italy. Electronic address: [email protected].
2 Medicine & Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, via Cesare Pupilli 1, 40136 Bologna, Italy.
3 Radiology Unit, Department of Experimental, Diagnostic and Specialty Medicine, S. Orsola Malpighi University Hospital, via Giuseppe Massarenti 9, 40138 Bologna, Italy.
4 Diagnostic and Interventional Radiology Unit, IRCCS Istituto Ortopedico Rizzoli, via Cesare Pupilli 1, 40136 Bologna, Italy.
5 Medicine & Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, via Cesare Pupilli 1, 40136 Bologna, Italy; Department of Biomedical and Neuromotor sciences (DIBINEM), University of Bologna, via Giuseppe Massarenti 9, 40138 Bologna, Italy.