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Joffe E, Pettigrew EJ, Herskovic JR, Bearden CF, Bernstam EV.Joffe E, et al. Among authors: pettigrew ej.J Am Med Inform Assoc. 2015 Sep;22(5):962-6. doi: 10.1093/jamia/ocv010. Epub 2015 Jun 10.J Am Med Inform Assoc. 2015.PMID: 26063744Free PMC article.