Authors: Itender Singh; Abhay P Sagare; Mireia Coma; David Perlmutter; Robert Gelein; Robert D Bell; Richard J Deane; Elaine Zhong; Margaret Parisi; Joseph Ciszewski; R Tristan Kasper; Rashid Deane Journal: Proc Natl Acad Sci U S A Date: 2013-08-19 Impact factor: 11.205