Correction

In the Circulation Research letter by Ali J. Marian (Causality in genetics: the gradient of genetic effects and back to Koch postulates of causality. Circ Res. 2014;114:e18–e21. DOI: 10.1161/CIRCRESAHA.114.302904), the following changes were missed in the final publication:

1. The title should be: “Causality in Genetics: The Gradient of Genetic Effects and Back to Koch’s Postulates of Causality”

2. Page e21, 1^st column, 2^nd paragraph, line 6 from bottom, sentence changed to “One might argue that these conditions are analogous to the Koch’s postulates of causality, which Robert Koch envisioned…”

3. Page e21, 1^st column, 2^nd paragraph, line 2 from bottom, sentence changed to “The analogous component of the Koch’s postulates in establishing…”

The errors have been corrected in the online version of the article, which is available at http://circres.ahajournals.org/content/114/2/e18.full.

• © 2014 American Heart Association, Inc.