1. Department of Hypothalamic and Pituitary Surgery, Toranomon Hospital
2. Department of Comprehensive Pathology, Tokyo Medical and Dental University
3. Okinaka Memorial Institute for Medical Research
4. Department of Neuro-Endovascular Therapy, Toranomon Hospital
5. Division of Stroke, Department of Neurosurgery, Faculty of Medicine, University of Tsukuba
6. Department of Neurosurgery, Tokyo Metropolitan Police Hospital
7. Department of Neurosurgery, Toranomon Hospital
8. Department of Neurosurgery, Tokyo Neurological Center