1. Department of Educational Research Methodology, University of North Carolina Greensboro, 1300 Spring Garden Street, Greensboro, NC 27412 e-mail:
2. Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, GA 30332 e-mail:
3. Center for Education Integrating Science, Mathematics and Computing, Georgia Institute of Technology, 817 W. Peachtree Street, NW, Suite 300, Atlanta, GA 30308 e-mail:
4. Fellow ASME Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, NW, Atlanta, GA 30332 e-mail:
5. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 950 Atlantic Dr. Suite 3015, Atlanta, GA 30332 e-mail: