Authors: Leslea J Hlusko; Joshua P Carlson; George Chaplin; Scott A Elias; John F Hoffecker; Michaela Huffman; Nina G Jablonski; Tesla A Monson; Dennis H O'Rourke; Marin A Pilloud; G Richard Scott Journal: Proc Natl Acad Sci U S A Date: 2018-04-23 Impact factor: 11.205