1. Department of Evolutionary Anthropology, Duke University, Durham, NC 27708, USA
2. Department of Anatomy, College of Osteopathic Medicine, New York Institute of Technology, New York Institute of Technology, Old Westbury, NY 11568, USA
3. Duke Lemur Center, Duke University, Durham, NC 27705, USA
4. Department of Anatomy, Midwestern University, Glendale, AZ 85012, USA
5. Jerry M. Wallace School of Osteopathic Medicine, Campbell University, Buies Creek, NC 27506, USA
6. Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA