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Escriche-Escuder A, Cuesta-Vargas AI, Casaña J.Escriche-Escuder A, et al. Among authors: casana j.BMJ Open. 2021 Aug 17;11(8):e046729. doi: 10.1136/bmjopen-2020-046729.BMJ Open. 2021.PMID: 34404699Free PMC article.