Correction to: Nature Communications https://doi.org/10.1038/s41467-018-06088-2; published online 11 September 2018

The original version of this article incorrectly omitted an affiliation of Hongming Weng: “Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China”

This has been corrected in both the PDF and HTML versions of the article.