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Cooper AJ, Dearnley K, Williams KM, Sharp SJ, van Sluijs EM, Brage S, Sutton S, Griffin SJ.Cooper AJ, et al.BMC Public Health. 2015 Mar 27;15:296. doi: 10.1186/s12889-015-1654-0.BMC Public Health. 2015.PMID: 25879726Free PMC article.Clinical Trial.