AUTHOR CORRECTION
Volume 88, no. 2, p. 1281–1292, 2014. Page 1290, Acknowledgments, paragraph 1: The first sentence should read “We gratefully acknowledge Eric Verdin, Geoff Wahl, Jeff Vieira, and Lucia Altucci for gifts of plasmids, cells, and reagents, Rachna Shah for technical support, and Andrew Tanner for contributions to ChIP experiments.”