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Nickerson KP, Homer CR, Kessler SP, Dixon LJ, Kabi A, Gordon IO, Johnson EE, de la Motte CA, McDonald C.Nickerson KP, et al.PLoS One. 2014 Jul 7;9(7):e101789. doi: 10.1371/journal.pone.0101789. eCollection 2014.PLoS One. 2014.PMID: 25000398Free PMC article.