1. School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
2. Birck Nanotechnology Center, Purdue University, West Lafayette, IN, 47907, USA
3. Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA
4. USDA-ARS Livestock Behavior Research Unit, West Lafayette, IN 47907, USA
5. Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA