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Marcus Tan WP, Sayampanathan AA, Tan TC, Franklin Tan CP, Lee CE, Andrew Tan HC, Tay KS.Marcus Tan WP, et al. Among authors: tay ks.Singapore Med J. 2022 Oct;63(10):621-627. doi: 10.11622/smedj.2020156. Epub 2020 Nov 30.Singapore Med J. 2022.PMID: 33256352Free PMC article.No abstract available.