Correction to: Nat. Commun.; https://doi.org/10.1038/s41467-018-03556-7; published online 21 March 2018.

In the original version of the Supplementary Information file associated with this Article, Supplementary Fig. 18 panel b was inadvertently replaced with a duplicate of panel a.

The error has now been fixed and the corrected version of the Supplementary Information PDF is available to download from the HTML version of the Article.