Nature Communications 8: Article number: 15405; DOI: 10.1038/ncomms15405 (2017); Published online May 22 2017; Updated May 25 2018
The originally published version of this Article contained errors in Figure 4. In panels c and d, the labeling of the light and dark blue lines was inverted. These errors have now been corrected in both the PDF and HTML versions of the Article.
