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Sim JY, Chang LY, Chang TH, Chen JM, Lee PI, Huang LM, Lu CY.Sim JY, et al. Among authors: chang th, chang ly.J Formos Med Assoc. 2020 Nov;119(11):1608-1618. doi: 10.1016/j.jfma.2020.07.026. Epub 2020 Jul 31.J Formos Med Assoc. 2020.PMID: 32747171Free article.