1. Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
2. Department of Anthropology, Purdue University, West Lafayette, IN 47907, USA
3. Department of Animal Biology, University Cheikh Anta Diop of Dakar, BP 5005, Dakar 10700, Senegal
4. Department of Anthropology, Texas State University, San Marcos, TX 78666, USA