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Sullivan MJ, Gates AJ, Appia-Ayme C, Rowley G, Richardson DJ.Sullivan MJ, et al.Proc Natl Acad Sci U S A. 2013 Dec 3;110(49):19926-31. doi: 10.1073/pnas.1314529110. Epub 2013 Nov 18.Proc Natl Acad Sci U S A. 2013.PMID: 24248380Free PMC article.