1. From the Department of Cerebrovascular Medicine (T.I., S.S., T.U., T.O., M.H., K.T., K.M.)
2. Department of Stroke Medicine, Kawasaki Medical School, Kurashiki, Japan (K.K.)
3. Department of Cerebrovascular Medicine and Neurology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan (Y.O.)
4. Department of Neurology, Nagoya Daini Red Cross Hospital, Japan (Y.H.)
5. Department of Neurology and Cerebrovascular Medicine, Saitama International Medical Center, Saitama Medical University, Hidaka, Japan (N.T.)
6. Department of Stroke Science, Research Institute for Brain and Blood Vessels-Akita, Japan (A.S.)
7. Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Japan (J.N.)
8. Department of Neurology, Ebara Hospital, Tokyo, Japan (K.A.)
9. Department of Neurosurgery, Tokushima University, Japan (S.N.)
10. Department of Neurosurgery, Iwate Medical University, Morioka, Japan (K.O.)
11. Department of Neurology, Tokyo Women’s Medical University, Japan (S.U.)
12. Department of Clinical Neuroscience and Therapeutics, Hiroshima University, Japan (M.M.).
13. Department of Neurosurgery (K.I.), National Cerebral and Cardiovascular Center, Osaka, Japan