Correction to: Nature Communications https://doi.org/10.1038/s41467-018-06444-2; published online 1 October 2018

The original HTML version of this Article omitted to list Harold Y. Hwang as a corresponding author and incorrectly listed Adrian G. Swartz as a corresponding author. This has been corrected in the HTML version of the Article. The PDF version was correct from the time of publication.