1. Department of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Science, Kumamoto University
2. Cardiovascular Division Diabetes Care Center, Jinnouchi Hospital
3. Division of Cardiology, Yokohama City University Medical Center
4. Diabetes Care Center, Jinnouchi Hospital
5. Division of Preventive Cardiology, Department of Cardiovascular Medicine, Kumamoto University Hospital
6. Department of Community Medicine, Kumamoto University Hospital