[1] Univ Arkansas, Dept Anthropol, Fayetteville, AR 72701 USA
[2] Univ Witwatersrand, Evolutionary Studies Inst, Johannesburg, South Africa
[3] Univ Witwatersrand, Ctr Excellence PaleoSci, Johannesburg, South Africa
[4] Liverpool John Moores Univ, Res Ctr Evolutionary Anthropol & Palaeoecol, Liverpool, Merseyside, England
[5] Univ Kent, Sch Anthropol & Conservat, Canterbury, Kent, England
[6] Max Planck Inst Evolutionary Anthropol, Dept Human Evolut, Leipzig, Germany
[7] Louisiana State Univ, Dept Geog & Anthropol, Baton Rouge, LA 70803 USA
[8] Univ Wisconsin Madison, Dept Anthropol, Madison, WI USA