1 Research Center of Systemic Autoinflammatory Diseases and Behçet's Disease Clinic, Department of Medical Sciences, Surgery and Neurosciences, University of Siena, Italy.
2 Department of Medical Sciences, Surgery and Neurosciences, University of Siena, Italy.
3 Department of Clinical Sciences and Community Health, University of Milano; and Rheumatology Unit, Istituto Gaetano Pini, Milano, Italy.
4 Research Center of Systemic Autoinflammatory Diseases and Behçet's Disease Clinic, Department of Medical Sciences, Surgery and Neurosciences, University of Siena, Italy. cantariniluca@hotmail.com.