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Anderson JL, Oliveira J E Silva L, Funni SA, Bellolio F, Jeffery MM.Anderson JL, et al. Among authors: oliveira j e silva l.BMJ Open. 2021 Aug 16;11(8):e046497. doi: 10.1136/bmjopen-2020-046497.BMJ Open. 2021.PMID: 34400448Free PMC article.