1. Postdoctoral Research Fellow, School of Engineering and Applied Sciences, Western Kentucky Univ., Bowling Green, KY.
2. Undergraduate Student Researchers, School of Engineering and Applied Sciences, Western Kentucky Univ., Bowling Green, KY.
3. Undergraduate Student Researcher, School of Engineering and Applied Sciences, Western Kentucky Univ., Bowling Green, KY.
4. Assistant Professor, School of Engineering and Applied Sciences, Western Kentucky Univ., Bowling Green, KY.