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Chen K, Wang Q, Pleasants RA, Ge L, Liu W, Peng K, Zhai S.Chen K, et al. Among authors: pleasants ra.BMC Infect Dis. 2017 Feb 20;17(1):159. doi: 10.1186/s12879-017-2263-6.BMC Infect Dis. 2017.PMID: 28219330Free PMC article.Review.