1. Department of Neurological Surgery, Cornell University Medical College-The New York Hospital, New York, New York
2. New York Medical College, and the Departments of Neurology and Neuroscience, Cornell University Medical College-The New York Hospital, New York, New York
3. Surgery (Neurosurgery), Cornell University Medical College- The New York Hospital, New York, New York
4. Departments of Cell Biology and Neurosurgery, Cornell University Medical College-The New York Hospital, New York, New York