1. Division of Cerebrovascular Medicine and Neurology, Clinical Research Institute, National Hospitalization Organization, Kyushu Medical Center, Japan
2. Division of Neuroendovascular Therapy, Clinical Research Institute, National Hospitalization Organization, Kyushu Medical Center, Japan
3. Department of Clinical Education and Training Center, National Hospitalization Organization, Kyushu Medical Center, Japan
4. Department of Hematology, Clinical Research Institute, National Hospitalization Organization, Kyushu Medical Center, Japan
5. Department of Urology, Clinical Research Institute, National Hospitalization Organization, Kyushu Medical Center, Japan