1 Ophthalmology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena and Azienda Ospedaliero-Universitaria Senese [European Reference Network (ERN) for Rare Immunodeficiency, Autoinflammatory, and Autoimmune Diseases (RITA) Center], Policlinico "Le Scotte", Siena, Italy.
2 Unit of Hematology, Azienda Ospedaliera Universitaria Senese and University of Siena, Policlinico "Le Scotte", Siena, Italy.
3 Department of Pathology, Tuscany Central Local Health Authority, Empoli/Prato Facility, Prato, Italy.
4 Ophthalmology Unit, Department of Medicine, Surgery and Neurosciences, University of Siena and Azienda Ospedaliero-Universitaria Senese [European Reference Network (ERN) for Rare Immunodeficiency, Autoinflammatory, and Autoimmune Diseases (RITA) Center], Policlinico "Le Scotte", Siena, Italy. Electronic address: claudia.fabiani@aidanetwork.org.