1. Harvard Medical School Massachusetts General Hospital in Boston Boston MA USA
2. Clinical Epidemiology Program Massachusetts General Hospital in Boston Boston MA USA
3. Division of Rheumatology, Allergy, and Immunology Massachusetts General Hospital in Boston Boston MA USA
4. Mongan Institute Boston MA USA
5. Department of Medicine Massachusetts General Hospital in Boston Boston MA USA
6. Unit of Immunology Rheumatology, Allergy, and Rare Diseases, IRCCS‐San Raffaele Scientific Institute Milan Italy