1. Division of Functional Diagnostics, Department of Health Sciences, Osaka University Graduate School of Medicine
2. Department of Infection Control, Saitama Medical University International Medical Center
3. Cardiovascular Division, National Cerebral and Cardiovascular Center
4. Department of Preventive Medicine and Epidemiologic Informatics, National Cerebral and Cardiovascular Center
5. Cerebrovascular Division, National Cerebral and Cardiovascular Center
6. Disease Registration Promotion Office, National Cerebral and Cardiovascular Center