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Williamson K, Lank PM, Hartman N, Lu DW, Wheaton N, Cash J, Branzetti J, Lovell EO; Emergency Medicine Education Research Alliance (EMERA).Williamson K, et al. Among authors: lu dw.AEM Educ Train. 2019 Oct 6;4(2):103-110. doi: 10.1002/aet2.10391. eCollection 2020 Apr.AEM Educ Train. 2019.PMID: 32313856Free PMC article.