Correction to: Nature Communications https://doi.org/10.1038/ncomms14712, published online 8 March 2017.

The original version of this article contained an error in the author affiliations. Yuan-Xiang Tao was incorrectly associated with Department of Anesthesiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China. This has not been corrected in both the PDF and HTML versions of the article.