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Li CT, Bai YM, Tu PC, Lee YC, Huang YL, Chen TJ, Chang WH, Su TP.Li CT, et al. Among authors: chang wh.PLoS One. 2012;7(10):e46818. doi: 10.1371/journal.pone.0046818. Epub 2012 Oct 8.PLoS One. 2012.PMID: 23056466Free PMC article.