1 Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy.
2 Department of Medicine, Radboud University Medical Center, Nijmegen, Netherlands.
3 Unit of General Medicine and Advanced Care, IRCCS San Raffaele Hospital and Scientific Institute, Milan, Italy.