1. Department of Neurology and Neuroendovascular Therapy Stroke Center St. Marianna University Toyoko Hospital Kawasaki Japan
2. Department of Neurology St. Marianna University School of Medicine Kawasaki Japan
3. Department of Neurosurgery Seisho Hospital Odawara Japan
4. Department of Neurosurgery Yokohama Shintoshi Neurosurgical Hospital Yokohama Japan
5. Department of Neurosurgery Kawasakisaiwai Hospital Kawasaki Japan
6. Department of Neurology Yokohama Brain and Spine Center Yokohama Japan
7. Department of Neurosurgery Neurosurgical East Yokohama Hospital Yokohama Japan
8. Department of Neurosurgery Yokosuka Kyosai Hospital Yokosuka Japan
9. Department of Neurosurgery Akiyama Neurosurgical Hospital Yokohama Japan
10. Department of Neurosurgery Kitasato University Hospital Sagamihara Japan
11. Department of Neurosurgery Yokohama Sakae Kyosai Hospital Yokohama Japan
12. Department of Neurosurgery Saiseikai Yokohamashi Tobu Hospital Yokohama Japan
13. Department of Neurosurgery St. Mariannna University School of Medicine Kawasaki Japan
14. Department of Neurosurgery St. Marianna University School of Medicine Yokohama City Seibu Hospital Yokohama Japan
15. EPS corporation Tokyo Japan
16. Department of Practical Management of Medical Information St. Marianna University School of Medicine Kawasaki Japan
17. Department of Neurology Ehime Prefectural Central Hospital Matsuyama Japan