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VOLUME 286 (2011) PAGES 14618–14627
Two sources of financial support were left out inadvertently. The grant information footnote should read as follows: This work was supported, in whole or in part, by National Institutes of Health Grants NS34407 and NS11756 and by Grant MH086383 (to H. A. L.). This work was also supported by California Tobacco-Related Disease Research Program Grant 19XT-0102 from the University of California (to D. A. D.).
