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Pavey TG, Gartner CE, Coombes JS, Brown WJ.Pavey TG, et al. Among authors: coombes js.BMC Public Health. 2015 Dec 29;15:1309. doi: 10.1186/s12889-015-2631-3.BMC Public Health. 2015.PMID: 26714460Free PMC article.Clinical Trial.