1. Kitano Hospital
2. Noto General Hospital
3. Yokosuka Hokubu-Kyosai Hospital
4. Tohoku University, Graduate School of Medicine
5. Nishinomiya Kyoritsu Hospital
6. Tama Southern Regional Hospital
7. KANTOH Neurosurgical Hospital
8. Osaka University, Graduate School of Medicine
9. National Hospital Organization, Kyoto Medical Center