MICROBIOLOGY Correction for “Programmed Allee effect in bacteria causes a tradeoff between population spread and survival,” by Robert Smith, Cheemeng Tan, Jaydeep K. Srimani, Anand Pai, Katherine A. Riccione, Hao Song, and Lingchong You, which appeared in issue 5, February 4, 2014, of Proc Natl Acad Sci USA (111:1969–1974; first published January 21, 2014; 10.1073/pnas.1315954111).
The authors note that the following statement should be added to the Acknowledgments: “This work was partially supported by a Society in Science–Branco Weiss Fellowship (to C.T.).”