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Stroben F, Schröder T, Dannenberg KA, Thomas A, Exadaktylos A, Hautz WE.Stroben F, et al. Among authors: hautz we.BMC Med Educ. 2016 Jul 15;16:177. doi: 10.1186/s12909-016-0699-9.BMC Med Educ. 2016.PMID: 27421905Free PMC article.Clinical Trial.