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Hong JL, Webster-Clark M, Jonsson Funk M, Stürmer T, Dempster SE, Cole SR, Herr I, LoCasale R.Hong JL, et al. Among authors: jonsson funk m.Am J Epidemiol. 2019 Feb 1;188(2):426-437. doi: 10.1093/aje/kwy233.Am J Epidemiol. 2019.PMID: 30312378Free PMC article.Clinical Trial.