1 Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Via Olgettina 60, Milan 20132, Italy; Vita-Salute San Raffaele University, Milan, Italy.
2 Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Via Olgettina 60, Milan 20132, Italy; Department of Experimental and Clinical Medicine, and Division of Rheumatology AOUC, University of Florence, Florence, Italy.
3 Unit of Immunology, Rheumatology, Allergy and Rare diseases, IRCCS San Raffaele Hospital, Via Olgettina 60, Milan 20132, Italy; Vita-Salute San Raffaele University, Milan, Italy. Electronic address: dagna.lorenzo@unisr.it.