In the above article [Lu G, Henderson D, Liu L, Reinhart PH, and Simon SA (2004) Mol Pharmacol 67:1119–1127], the footnote regarding financial support should read as follows: Research described in this article was supported in part by Philip Morris USA, Inc. and Philip Morris International (to S.A.S.) and National Institutes of Health grants GM63577 (to L.L.), NS31253 (to P.R.), and NS041866 (to P.R.).
The authors apologize for any confusion or inconvenience this error may have caused.
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