1. Doctor of Physical Therapy Division, Department of Community and Family Medicine, Duke University School of Medicine, Durham, NC 27708
2. Department of Evolutionary Anthropology, Duke University, Durham, NC 27708
3. Department of Anthropology, The Biological Anthropology Program, Harvard University, Cambridge, MA
4. Department of Anthropology, University of Wisconsin, Milwaukee, Milwaukee, WI 53201
5. Department of Anatomy & Neurobiology, NEOUCOM, Rootstown, OH 44272‐0095