Correction to: British Journal of Cancer https://doi.org/10.1038/s41416-020-01229-1, published online 26 January 2021

The original version of this article unfortunately contained a mistake. During online publication of this article an incorrect notification was included by the Publisher in the Additional Information. The notification incorrectly stated that the licence terms for these articles would switch to a Creative Commons Attribution 4.0 International (CC BY 4.0) after a period of 12 months. This notification has been removed and the articles have been updated.