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Deighton J, Edbrooke-Childs J, Stapley E, Sevdalis N, Hayes J, Gondek D, Sharples E, Lachman P.Deighton J, et al.BMJ Open. 2016 Dec 30;6(12):e014014. doi: 10.1136/bmjopen-2016-014014.BMJ Open. 2016.PMID: 28039297Free PMC article.