1. Departments of Biomedical Engineering, University of Kentucky, 151 Ralph G. Anderson Building, Lexington, Kentucky 40506-0503, United States
2. Mechanical Engineering, University of Kentucky, 151 Ralph G. Anderson Building, Lexington, Kentucky 40506-0503, United States
3. Environmental Quality Management, University of Kentucky, 355 Cooper Drive, Lexington, Kentucky 40508, United States
4. Department of Mechanical Engineering, University of Wisconsin-Platteville, 1 University Plaza, Platteville, Wisconsin 53818, United States
5. Family and Community Medicine, University of Kentucky, 2195 Harrodsburg Rd, Ste 125, Lexington, Kentucky 40504, United States