1. Department of Radiology and Radiological Sciences; Vanderbilt University Institute of Imaging Science; Vanderbilt University Medical Center; Nashville Tennessee U.S.A.
2. Department of Biomedical Engineering; Vanderbilt University; Nashville Tennessee U.S.A.
3. Department of Neurosurgery; Vanderbilt University Medical Center; Nashville Tennessee U.S.A.
4. Department of Electrical Engineering and Computer Science; Vanderbilt University; Nashville Tennessee U.S.A.
5. Department of Neurology; Vanderbilt University Medical Center; Nashville Tennessee U.S.A.