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Watson S, Woodside JV, Ware LJ, Hunter SJ, McGrath A, Cardwell CR, Appleton KM, Young IS, McKinley MC.Watson S, et al.J Med Internet Res. 2015 Jul 16;17(7):e177. doi: 10.2196/jmir.3828.J Med Internet Res. 2015.PMID: 26183659Free PMC article.Clinical Trial.