1. Departments of Surgery, Division of Neurosurgery University of Kansas Medical Center, Kansas City, Kansas
2. Departments of Surgery Imaging Resource Center University of Kansas Medical Center, Kansas City, Kansas
3. Departments of Surgery Radiology University of Kansas Medical Center, Kansas City, Kansas
4. Departments of Surgery Neurology University of Kansas Medical Center, Kansas City, Kansas
5. Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas