Correction to: Nature Communications https://doi.org/10.1038/s41467-017-01460-0, published online 23 November 2017.

The original version of this article omitted the following from the Acknowledgements: ‘This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 641458’. This has now been corrected in both the PDF and HTML versions of the article.