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Mesa-Eguiagaray I, Böhning D, McLean C, Griffiths P, Bridges J, Pickering RM.Mesa-Eguiagaray I, et al. Among authors: bridges j.BMC Med Res Methodol. 2016 Dec 7;16(1):171. doi: 10.1186/s12874-016-0266-4.BMC Med Res Methodol. 2016.PMID: 27927178Free PMC article.