1. Division of Cardiology, Department of Medicine, Shiga University of Medical Science
2. Department of Health Science, Shiga University of Medical Science
3. Cardiovascular Epidemiology, Faculty of Home Economics, Kyoto Women's University
4. Department Preventive Cardiology, National Cardiovascular Center
5. Department of Internal Medicine, Takashima General Hospital
6. Makino Hospital
7. Department of Cardiology, Otsu Red Cross Hospital