1. Department of Neurosurgery, Hyogo Medical University
2. Department of Neurovascular Research, Kobe City Medical Center General Hospital
3. Department of Stroke Neurology, National Hospital Organization Osaka National Hospital
4. Department of Biostatistics and Bioinformatics, Interfaculty Initiative in Information Studies, The University of Tokyo
5. Department of Neurosurgery, National Cerebral and Cardiovascular Center
6. Department of Neurosurgery, Seishou Hospital
7. Department of Neurosurgery, Hakodate Shintoshi Hospital
8. Department of Neurosurgery, Iwate Prefectural Central Hospital
9. Department of Neurology, Nippon Medical School
10. Department of Neurosurgery, Yokosuka Kyosai Hospital
11. Department of Neurosurgery, Kitasato University School of Medicine
12. Department of Neurology, Japanese Red Cross Kumamoto Hospital
13. Department of Neurosurgery, Tominaga Hospital
14. Department of Cerebrovascular Medicine, Niigata City General Hospital
15. Department of Neurosurgery, Tenri Hospital
16. Department of Neuroendovascular Therapy and Neurology, Saiseikai Shiga Hospital
17. Department of Neurosurgery, Kansai Rosai Hospital
18. Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center
19. Department of Endovascular Neurosurgery, Saitama Medical University International Medical Center
20. Department of Strokology and Neuroendovascular Treatment, Stroke Center, St. Marianna University Toyoko Hospital