1 Department of Biotechnological and Applied Clinical Sciences, University of L¿Aquila, Rheumatology Unit, delta 6 building, L¿Aquila, Italy
2 Research Center of Systemic Autoinflammatory Diseases and Behçet¿s Disease Clinic, Department of Medical Sciences, Surgery and Neurosciences, University of Siena,Policlinico Santa Maria alle Scotte, Viale Mario Bracci, Siena, Italy
3 Department of Biotechnological and Applied Clinical Sciences, University of L¿Aquila, Medical Statistic Unit, delta 6 building, L¿Aquila, Italy