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Preston JL, Hitchcock ER, Leece MC.Preston JL, et al. Among authors: leece mc.J Speech Lang Hear Res. 2020 Feb 26;63(2):444-455. doi: 10.1044/2019_JSLHR-19-00060. Epub 2020 Feb 26.J Speech Lang Hear Res. 2020.PMID: 32097058Free PMC article.Clinical Trial.