| Recruiting | N/A | 3500 | Europe, US, RoW | No intervention is foreseen by the protocol. | University of Siena | Hereditary Autoinflammatory Diseases, Schnitzler Syndrome, Behcet Syndrome, PFAPA Syndrome, Still Disease, Autoinflammatory Syndrome, Unspecified, Uveitis, Scleritis, Vexas Syndrome | 08/23 | 08/30 | | |