Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain

Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain

Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain

Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain

Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain

Immunology Unit, Department of Cell Biology, Immunology and Neuroscience, Faculty of Medicine, University of Barcelona, Barcelona, Spain (P.E., F.L.); Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (P.E., M.R.-C., F.L., X.B.); Arthritis Unit, Department of Rheumatology (J.A.G.-P.), Laboratory of Autoimmune Diseases Josep Font, Department of Autoimmune Diseases (M.R.-C.), Department of Immunology (F.L.), and Department of Internal Medicine (X.B.), Hospital Clínic Universitari de Barcelona, Barcelona, Spain