1. Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
2. Health Care Center, Kumamoto University, Japan
3. Department of General and Community Medicine, Kumamoto University Hospital, Japan
4. Department of Pharmacology and Molecular Therapeutics, Graduate School of Medical Sciences, Kumamoto University, Japan
5. Department of Cardiovascular Clinical and Translational Research, Kumamoto University Hospital, Japan
6. Department of Cardiovascular Medicine, Saga University, Japan
7. Diabetes Care Center, Jinnouchi Clinic, Japan
8. Department of Diabetes and Endocrinology, Kumamoto General Hospital, Japan