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Orchard JW, Orchard JJ, Puranik R.Orchard JW, et al. Among authors: orchard jj.BMJ Open Sport Exerc Med. 2021 Oct 12;7(4):e001227. doi: 10.1136/bmjsem-2021-001227. eCollection 2021.BMJ Open Sport Exerc Med. 2021.PMID: 34712490Free PMC article.