1. Department of Anthropology University of Pennsylvania Philadelphia Pennsylvania USA
2. Center for Functional Anatomy and Evolution Johns Hopkins University School of Medicine Baltimore Maryland USA
3. Department of Basic and Translational Sciences University of Pennsylvania Philadelphia Pennsylvania USA
4. Department of Anthropology Smithsonian National Museum of Natural History Washington District of Columbia USA
5. Department of Anthropology SUNY Oneonta Oneonta New York USA
6. Center for the Advanced Study of Human Paleobiology The George Washington University Washington District of Columbia USA