1. Neuroradiology Division, Department of Radiology, Newark Beth Israel Medical Center, Newark, New Jersey;
2. Departments of Biomedical Informatics and
3. Department of Biology, Case Western Reserve University, Cleveland, Ohio; and
4. Computer Science, Stony Brook University, Stony Brook; and
5. Neuroradiology Division, Department of Radiology, Columbia University Medical Center, New York, New York;
6. Department of Neurosurgery, Mountain View Regional Medical Center, Las Cruces, New Mexico