Association of a TNFSF13B (BAFF) regulatory region single nucleotide polymorphism with response to rituximab in antineutrophil cytoplasmic antibody–associated vasculitis

This study was supported by the National Institute of Health Research Cambridge Biomedical Research Centre (http://www.cambridge-brc.org.uk). F.A. has been supported by a European Renal Association-European Dialysis and Transplant Association long-term fellowship between September 2012 and September 2013. A.V. and D.M. were supported by the grant “A tailored approach to the immune monitoring and clinical management of viral and autoimmune diseases,” given by the Regione Emilia-Romagna within the Programma di Ricerca Regione-Universita 2010–12.