1 Unit of Immunology, Rheumatology, Allergy and Rare Diseases IRCCS San Raffaele Hospital. Università Vita-Salute San Raffaele, San Raffaele Scientific Institute, Milan, Italy campochiaro.corrado@hsr.it.
2 Unit of Immunology, Rheumatology, Allergy and Rare Diseases IRCCS San Raffaele Hospital. Università Vita-Salute San Raffaele, San Raffaele Scientific Institute, Milan, Italy.
3 Division of Rheumatology and Clinical Immunology, Humanitas Clinical and Research Center - IRCCS, Milan, Italy.