1. Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia
2. School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia
3. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia
4. Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, North Carolina