Nature Reviews Cancer (2018) https://doi.org/10.1038/s41568-018-0015-6 Published online 21 May 2018

The article as originally published cited the incorrect paper as reference 123. The correct reference is Kroll, M. E., Draper, G. J., Stiller, C. A. & Murphy, M. F. G. Childhood leukemia incidence in Britain, 1974–2000: time trends and possible relation to influenza epidemics. J. Natl Cancer Inst. 98, 417–420 (2006). This has been corrected in the online and print versions of the article.