DEVELOPMENTAL BIOLOGY Correction for “Cardiac-specific transcription factor genes Smad4 and Gata4 cooperatively regulate cardiac valve development,” by Ivan P. Moskowitz, Jun Wang, Michael A. Peterson, William T. Pu, Alexander C. Mackinnon, Leif Oxburgh, Gerald C. Chu, Molly Sarkar, Charles Berul, Leslie Smoot, Elizabeth J. Robertson, Robert Schwartz, Jonathan G. Seidman, and Christine E. Seidman, which appeared in issue 10, March 8, 2011, of Proc Natl Acad Sci USA (108:4006–4011; first published February 17, 2011; 10.1073/pnas.1019025108).
The authors note that the title appeared incorrectly. The title should instead appear as “Transcription factor genes Smad4 and Gata4 cooperatively regulate cardiac valve development.” The online version has been corrected.