Nat. Biotechnol. 34, 1090–1094 (2016); published online 8 November 2016; corrected after print 1 December 2016

In the version of this article initially published, in Table 1, “Blood-based digital sequencing of gene panel of 70 single base mutations...” should have read, “Blood-based digital sequencing of single-base mutations in 70 genes...” The errors have been corrected in the HTML and PDF versions of the article.