1. Departments of Surgery (Neurosurgery), The University of Kansas Medical Center College of Health Sciences and Hospital, Kansas City, Kansas
2. Departments of Surgery (Neurosurgery), Radiology, The University of Kansas Medical Center College of Health Sciences and Hospital, Kansas City, Kansas
3. Departments of Surgery (Neurosurgery), Radiology, and Pathology and Oncology, The University of Kansas Medical Center College of Health Sciences and Hospital, Kansas City, Kansas