1. Department of Experimental and Clinical Medicine, Division of Rheumatology, Denothe Centre, Careggi Hospital (AOUC), University of Florence, Viale Pieraccini 18, 50139 Firenze, Italy
2. ASL 10 Physiotherapy Outpatient Clinic and School of Physiotherapy, University of Florence, Viale Pieraccini 18, 50139 Firenze, Italy