1. Division of Cardiology, Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine
2. Division of Cardiovascular and Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine
3. Department of Clinical Cell Biology Graduate School of Medicine, Chiba University
4. Division of Biostatistics and Clinical Epidemiology, University of Toyama
5. Faculty of Health Sciences, Kobe University School of Medicine
6. Division of Endocrinology and Metabolism, Department of Medicine, Nippon Medical School
7. International University of Health and Welfare Graduate School of Public Health Medicine
8. Division of Cardiology, Department of Internal Medicine, Fujita Health University School of Medicine
9. Department of Food Science, Ibaraki Christian University, College of Life Science
10. Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
11. Hiraoka Hospital
12. Nakaya Clinic
13. Department of Nutritional Sciences, Faculty of Nutritional Science, Nakamura Gakuen University
14. Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical School
15. Saito Hospital
16. Sumitomo Hospital