Erratum: Drug Monitoring: Bright lights yield drug readout

Nat. Chem. Biol. 10, 490–491 (2014); published online 17 June 2014; corrected after print 17 June 2014 In the version of this article initially published, the text referred to panels a and b within Figure 1, but no panels were present in the image. The error has been corrected in the HTML and PDF versions of the article.