Authors: Hong Yu; Rajeshwari D Koilkonda; Tsung-Han Chou; Vittorio Porciatti; Arpit Mehta; Ian D Hentall; Vince A Chiodo; Sanford L Boye; William W Hauswirth; Alfred S Lewin; John Guy Journal: Proc Natl Acad Sci U S A Date: 2015-10-05 Impact factor: 11.205