In the article, “Heat Shock Protein 72 (HSPA1B) Gene Polymorphism and Toll-Like Receptor (TLR) 4 Mutation Are Associated with Increased Risk of Urinary Tract Infection in Children” by Eva Karoly et al. (Pediatr Res 61:371–374), the authors report the following corrections: The affiliation of Attila J. Szabo and Georg S. Reusz is the First Department of Paediatrics at the Semmelweis University of Budapest. The corresponding author is Georg S. Reusz, MD, DsC, First Department of Paediatrics, Semmelweis University, Bókay 53, H-1083 Budapest, Hungary; email: reusz@gyer1.sote.hu. Both Eva Karoly and Andrea Fekete contributed equally to the study.