Correction
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Lee JGL, Goldstein AO, Kramer KD, Steiner J, Ezzell MM, Shah V. Statewide diffusion of 100% tobacco-free college and university policies. [Tob Control 2010;19:311–17](http://tobaccocontrol.bmj.com/lookup/doi/10.1136/tc.2009.032888). The authors should read as follows: Lee JGL, Goldstein AO, Kramer KD, Steiner J, Ezzell MM, Shah V, Matthew M.