Nat. Biotechnol. 36, 41–42 (2018); published online 10 January 2018; corrected after print 7 August 2018

In the version of this article initially published, the sentence fragment “The scNuc-seq approach is complementary to the recently published massively parallel” preceding “The sNuc-seq approach is complementary to the recently published DroNc-seq method” should have been deleted. The error has been corrected in the HTML and PDF versions of the article.