[1] Arcispedale Santa Maria Nuova, Rheumatol Unit, Reggio Emilia, Italy
[2] Arcispedale Santa Maria Nuova, Nucl Med Unit, Reggio Emilia, Italy
[3] Arcispedale Santa Maria Nuova, Sci Directorate, Reggio Emilia, Italy
[4] Ist Ortoped Rizzoli, Rheumatol Unit, Bologna, Italy
[5] Ist Ortoped Rizzoli, Dept Immunorheumatol & Tissue Regenerat, Bologna, Italy