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Mertens N, Boen F, Steffens NK, Haslam SA, Fransen K.Mertens N, et al. Among authors: fransen k.J Sci Med Sport. 2021 Mar;24(3):281-290. doi: 10.1016/j.jsams.2020.09.007. Epub 2020 Sep 17.J Sci Med Sport. 2021.PMID: 33060061