Authors: John Hawks; Marina Elliott; Peter Schmid; Steven E Churchill; Darryl J de Ruiter; Eric M Roberts; Hannah Hilbert-Wolf; Heather M Garvin; Scott A Williams; Lucas K Delezene; Elen M Feuerriegel; Patrick Randolph-Quinney; Tracy L Kivell; Myra F Laird; Gaokgatlhe Tawane; Jeremy M DeSilva; Shara E Bailey; Juliet K Brophy; Marc R Meyer; Matthew M Skinner; Matthew W Tocheri; Caroline VanSickle; Christopher S Walker; Timothy L Campbell; Brian Kuhn; Ashley Kruger; Steven Tucker; Alia Gurtov; Nompumelelo Hlophe; Rick Hunter; Hannah Morris; Becca Peixotto; Maropeng Ramalepa; Dirk van Rooyen; Mathabela Tsikoane; Pedro Boshoff; Paul Hgm Dirks; Lee R Berger Journal: Elife Date: 2017-05-09 Impact factor: 8.140