IgG4-Related Kidney Disease

1Nephrology and Dialysis Unit, Meyer Children's University Hospital—IRCCS, Firenze, Italy 2Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy 3Department of Biomedical, Experimental and Clinical Sciences “Mario Serio,” University of Firenze, Firenze, Italy Correspondence: Prof. Augusto Vaglio, Nephrology and Dialysis Unit, Meyer Children's Hospital—IRCCS, Viale Gaetano Pieraccini, 24, Firenze (FI) 50139, Italy. Email: [email protected] See related article, “Clinical and Prognostic Factors in Patients with IgG4-Related Kidney Disease,” on pages 1031–1040.