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Kuo SH, Hung WT, Tang PL, Huang WC, Yang JS, Lin HC, Mar GY, Chang HT, Liu CP.Kuo SH, et al. Among authors: tang pl.BMJ Open. 2018 Jan 26;8(1):e017412. doi: 10.1136/bmjopen-2017-017412.BMJ Open. 2018.PMID: 29374659Free PMC article.