Correction to: BMC Med Res Methodol 21, 279 (2021)
https://doi.org/10.1186/s12874-021-01471-y
Following publication of the original article [1], the authors noticed a typographical error on the name of one of the authors on this article. The author name “Bradley D. Stei should be Bradley D. Stein”. The original article has been updated.
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Griffin BA, Schuler MS, Stuart EA, et al. Moving beyond the classic difference-in-differences model: a simulation study comparing statistical methods for estimating effectiveness of state-level policies. BMC Med Res Methodol. 2021;21:279. https://doi.org/10.1186/s12874-021-01471-y.
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Grifn, B.A., Schuler, M.S., Stuart, E.A. et al. Correction to: Moving beyond the classic diferencein-diferences model: a simulation study comparing statistical methods for estimating efectiveness of state-level policies. BMC Med Res Methodol 22, 29 (2022). https://doi.org/10.1186/s12874-022-01522-y
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DOI: https://doi.org/10.1186/s12874-022-01522-y