Authors: Prasun Guha; Engin Kaptan; Gargi Bandyopadhyaya; Sabina Kaczanowska; Eduardo Davila; Keyata Thompson; Stuart S Martin; Dhananjaya V Kalvakolanu; Gerardo R Vasta; Hafiz Ahmed Journal: Proc Natl Acad Sci U S A Date: 2013-03-11 Impact factor: 11.205