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Zhao Q, Gregory CA, Lee RH, Reger RL, Qin L, Hai B, Park MS, Yoon N, Clough B, McNeill E, Prockop DJ, Liu F.Zhao Q, et al. Among authors: reger rl.Proc Natl Acad Sci U S A. 2015 Jan 13;112(2):530-5. doi: 10.1073/pnas.1423008112. Epub 2014 Dec 29.Proc Natl Acad Sci U S A. 2015.PMID: 25548183Free PMC article.