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van Sluijs EM, Skidmore PM, Mwanza K, Jones AP, Callaghan AM, Ekelund U, Harrison F, Harvey I, Panter J, Wareham NJ, Cassidy A, Griffin SJ.van Sluijs EM, et al.BMC Public Health. 2008 Nov 14;8:388. doi: 10.1186/1471-2458-8-388.BMC Public Health. 2008.PMID: 19014571Free PMC article.