1. Department of Pathology, Division of Neuropathology; The Ohio State University College of Medicine; Columbus Ohio 43210
2. Department of Biomedical Engineering; The Ohio State University College of Engineering; Columbus Ohio 43210
3. Department of Materials Science and Engineering; the Ohio State University College of Engineering; Columbus Ohio 43210
4. William G. Lowrie Department of Chemical Engineering; The Ohio State University College of Engineering; Columbus Ohio 43210