1. Department of Experimental and Clinical Medicine , University of Florence, & Division of Rheumatology AOUC , Florence , Italy
2. Department of Rheumatology, Waikato Hospital , Hamilton , New Zealand
3. Department of Rheumatology and Immunology, Shantou Central Hospital , Shantou , Guangdong Province , China
4. Department of Translational Medical Sciences , University Federico II , Naples , Italy
5. Department of Internal Medicine , O. Bogomolets National Medical University , Kyiv , Ukraine
6. Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Hospital , Milan , Italy