1. From the Rheumatology Unit (F.C., F.R.S., C.A., F.C., E.M., G.V.), Atherosclerosis Unit (A.M., M.A.), and Internal Medicine D (M.P.), Department of Internal Medicine and Medical Specialties and Department of Experimental Medicine (A.C., M.S.), Sapienza University of Rome, Rome, Italy; and Department of Infectious, Parasitic, and Immune-Mediated Diseases, Istituto Superiore di Sanità, Rome, Italy (B.B., E.P., R.R.).