title: The authors reply:.
authors.affiliation: Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Haas
authors.affiliation: Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico and Fondazione D'Amico per la Ricera sulle Malattie Renali-Renal Research Laboratory, Milano, Italy.
authors.forename: Maria Pia
authors.initials: MP
authors.lastname: Rastaldi
authors.affiliation: Mayo Clinic-Nephrology and Hypertension, Rochester, Minnesota, USA.
authors.forename: Fernando
authors.initials: F
authors.lastname: Fervenza
mesh_terms: D005922:Glomerulonephritis, IGA / Q000473:pathology*; D006801:Humans; D007678:Kidney Glomerulus / Q000473:pathology*; D008181:Lupus Nephritis / Q000473:pathology*