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Hilton NP, Leach NK, Sparks SA, Gough LA, Craig MM, Deb SK, McNaughton LR.Hilton NP, et al.Sports Med Open. 2019 Jan 24;5(1):4. doi: 10.1186/s40798-019-0177-0.Sports Med Open. 2019.PMID: 30680463Free PMC article.