1. Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Italy. francescoferrodoc@gmail.com
2. Rheumatology Clinic, Department of Medical and Biological Sciences, University Hospital Santa Maria della Misericordia, Udine, Italy.
3. Department of Rheumatology, University of Pavia, IRCCS Policlinico S. Matteo Foundation, Pavia, Italy.
4. Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Italy.
5. Ophthalmology Unit, Department of Surgical, Medical, Molecular Pathology and Emergency, University of Pisa, Italy.
6. Clinic of Rheumatology, Department of Medical and Biological Sciences, University Hospital Santa Maria della Misericordia, Udine, Italy.