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Gebhardt MM, Eberle KE, Radtke P, Jehle JA.Gebhardt MM, et al. Among authors: jehle ja.Proc Natl Acad Sci U S A. 2014 Nov 4;111(44):15711-6. doi: 10.1073/pnas.1411089111. Epub 2014 Oct 20.Proc Natl Acad Sci U S A. 2014.PMID: 25331863Free PMC article.