1. Department of Cardiovascular Medicine; National Cerebral and Cardiovascular Center; Suita Osaka Japan
2. Department of Pathology; National Cerebral and Cardiovascular Center; Suita Osaka Japan
3. Department of Radiology; National Cerebral and Cardiovascular Center; Suita Osaka Japan
4. Department of Clinical Research and Development; National Cerebral and Cardiovascular Center; Suita Osaka Japan