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Jago R, Edwards MJ, Sebire SJ, Cooper AR, Powell JE, Bird EL, Simon J, Blair PS.Jago R, et al. Among authors: powell je.BMC Public Health. 2013 Oct 24;13:1003. doi: 10.1186/1471-2458-13-1003.BMC Public Health. 2013.PMID: 24152257Free PMC article.Clinical Trial.