1. Department of Anthropology, Texas A&M University, College Station, TX 77843, USA.
2. New York Consortium in Evolutionary Primatology, New York, NY 10024, USA.
3. Department of Anthropology, CUNY Graduate Center, New York, NY 10016, USA.
4. Office of Medical Education, NYU Grossman School of Medicine, New York, NY 10016, USA.
5. Research Centre in Evolutionary Anthropology and Palaeoecology, Liverpool John Moores University, Liverpool, UK.
6. Centre for Ecology and Evolutionary Synthesis, Department of Biosciences, University of Oslo, Oslo, Norway.
7. Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY 10003, USA.
8. Evolutionary Studies Institute, University of the Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa.