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Kenney EL, Austin SB, Cradock AL, Giles CM, Lee RM, Davison KK, Gortmaker SL.Kenney EL, et al.Prev Chronic Dis. 2014 Nov 20;11:E205. doi: 10.5888/pcd11.140301.Prev Chronic Dis. 2014.PMID: 25412028Free PMC article.