1. Department of Neurosurgery, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
2. Department of Endocrinology and Hypertension, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
3. Department of Pathology, Tokyo Women’s Medical University, Tokyo 162-8666, Japan
4. Department of Laboratory Medicine and Pathology (Neuropathology), Tokyo Metropolitan Neurological Hospital, Tokyo 183-0042, Japan