How to cite this article: Vijayakrishnan, J. et al. The 9p21.3 risk of childhood acute lymphoblastic leukaemia is explained by a rare high-impact variant in CDKN2A. Sci. Rep.5, 15065; doi: 10.1038/srep15065 (2015). This evidence concerns the gene CDKN2A and acute lymphoblastic leukemia.