1. Division of Cardiology, The Cardiovascular Institute
2. Clinical Research Institute, National Hospital Organization Osaka National Hospital
3. Department of Cerebrovascular Disease, National Hospital Organization Kyushu Medical Center
4. Second Department of Internal Medicine, University of Toyama
5. Preventive Health Examination Center, International University of Health and Welfare
6. Cerebrovascular Division, National Cerebral and Cardiovascular Center
7. Department of Neurology, Tokyo Women's Medical University School of Medicine
8. Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical Sciences
9. Department of Medicine, International University of Health and Welfare Mita Hospital