“Analysis of Heritability and Shared Heritability Based on Genome-Wide Association Studies for 13 Cancer Types” by Joshua N. Sampson, William A. Wheeler, Meredith Yeager, et al. J Natl Cancer Inst 2015; 107(12): djv279 doi: 10.1093/jnci/djv279 . The article should have acknowledged the following NIH funding: P50 CA97274, P30 CA086862, R01 CA92153, and UL1 TR000135. The authors regret the error.