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Morin CW, Comrie AC.Morin CW, et al.Proc Natl Acad Sci U S A. 2013 Sep 24;110(39):15620-5. doi: 10.1073/pnas.1307135110. Epub 2013 Sep 9.Proc Natl Acad Sci U S A. 2013.PMID: 24019459Free PMC article.