1. Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
2. Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
3. Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
4. Schools of Electrical and Computer and Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia
5. Prosolia, Inc, Indianapolis, Indiana, Georgia Institute of Technology, Atlanta, Georgia