1. Departments of Neurological Surgery, Medical College of Ohio, Toledo, Ohio
2. Department of Neurological Surgery, University of Rochester, Rochester, New York
3. Department of Radiology, Cleveland Clinic Foundation, Cleveland, Ohio
4. Pathology, Medical College of Ohio, Toledo, Ohio
5. Anatomy, Medical College of Ohio, Toledo, Ohio
6. Department of Nursing, University of Alabama, Birmingham, Alabam