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Norris SA, Ho JC, Rashed AA, Vinding V, Skau JK, Biesma R, Aagaard-Hansen J, Hanson M, Matzen P.Norris SA, et al. Among authors: skau jk.BMC Public Health. 2016 Nov 17;16(1):1167. doi: 10.1186/s12889-016-3827-x.BMC Public Health. 2016.PMID: 27855663Free PMC article.Clinical Trial.