Inadvertent omission of grant information: In the article by Costello-Boerrigter et al entitled “The Effect of Brain-Type Natriuretic Peptide Single-Nucleotide Polymorphism rs198389 on Test Characteristics of Common Assays,” published in the March 2011 issue of Mayo Clinic Proceedings (Mayo Clin Proc. 2011;86(3):210-218), grant support was inadvertently omitted. In a footnote on page 210, the following should have been added: This study was made possible by the Rochester Epidemiology Project (grant number R01-AG034676; Principal Investigator: Walter A. Rocca, MD).
