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Johansson JF, Lam N, Ozer S, Hall J, Morton S, English C, Fitzsimons CF, Lawton R, Forster A, Clarke D.Johansson JF, et al.BMJ Open. 2022 Jan 31;12(1):e053945. doi: 10.1136/bmjopen-2021-053945.BMJ Open. 2022.PMID: 35105631Free PMC article.