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Chen YF, Lin CS, Wang KA, Rahman OA, Lee DJ, Chung WS, Lin HH.Chen YF, et al. Among authors: chung ws.J Healthc Eng. 2018 Mar 22;2018:9621640. doi: 10.1155/2018/9621640. eCollection 2018.J Healthc Eng. 2018.PMID: 29765586Free PMC article.