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Leniz J, Weil A, Higginson IJ, Sleeman KE.Leniz J, et al. Among authors: higginson ij.BMJ Support Palliat Care. 2020 Mar;10(1):68-78. doi: 10.1136/bmjspcare-2018-001689. Epub 2019 May 8.BMJ Support Palliat Care. 2020.PMID: 31068334Free PMC article.