1. Department of Cerebrovascular Medicine National Cerebral and Cardiovascular Center SuitaJapan
2. Department of Neurology Graduate School of Medical Sciences Neurological Institute Kyushu University FukuokaJapan
3. Department of Stroke Medicine Kawasaki Medical School KurashikiJapan
4. Department of Cerebrovascular Medicine and Neurology Clinical Research Institute National Hospital Organization Kyushu Medical Center FukuokaJapan
5. Department of Neurology Nagoya Daini Red Cross Hospital NagoyaJapan
6. Department of Neurology and Cerebrovascular Medicine Saitama Medical University Saitama International Medical Center HidakaJapan
7. Department of Stroke Science Research Institute for Brain and Blood Vessels‐Akita AkitaJapan
8. Department of Neurosurgery Nakamura Memorial Hospital SapporoJapan
9. Department of Neurology Ebara Hospital TokyoJapan
10. Department of Neurosurgery Tokushima University TokushimaJapan
11. Department of Neurosurgery Iwate Medical University MoriokaJapan
12. Department of Neurology Tokyo Women's Medical University TokyoJapan
13. Clinical Research Center for Medicine Center for Brain and Cerebral Vessels Sanno Hospital and Sanno Medical Center International University of Health and Welfare TokyoJapan
14. Department of Clinical Neuroscience and Therapeutics Hiroshima University HiroshimaJapan
15. Department of Neurology Sakai City Medical Center SakaiJapan
16. Department of Neurosurgery National Cerebral and Cardiovascular Center Suita Japan