Authors: Peter M Abadir; D Brian Foster; Michael Crow; Carol A Cooke; Jasma J Rucker; Alka Jain; Barbara J Smith; Tyesha N Burks; Ronald D Cohn; Neal S Fedarko; Robert M Carey; Brian O'Rourke; Jeremy D Walston Journal: Proc Natl Acad Sci U S A Date: 2011-08-18 Impact factor: 11.205