1 Università Vita Salute San Raffaele, Milano, Italy [email protected].
2 Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS Ospedale San Raffaele, Milano, Italy.
3 Università Vita Salute San Raffaele, Milano, Italy.
4 Unit of Clinical Rheumatology, Azienda Socio Sanitaria Territoriale Gaetano Pini, Milano, Italy.
5 Department of Clinical Science of Community Health and Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milano, Italy.
6 Referral Center for Systemic Autoimmune Diseases, La Fondazione IRCCS Ca' Granda Ospedale Maggiore di Milano Policlinico, Milano, Italy.