1. Department of Cardiovascular, Renal and Metabolic Medicine, Sapporo Medical University School of Medicine
2. Caress Sapporo Hokko Memorial Clinic
3. Department of Clinical Epidemiology, Hyogo College of Medicine
4. Department of Diabetes, Endocrinology and Metabolism, Fukushima Medical University
5. Department of Diabetes, Metabolism and Endocrinology, International University of Health and Welfare Ichikawa Hospital
6. Department of Cardiology, Tomishiro Central Hospital
7. Department of Cardiovascular Medicine, Saga University
8. Department of Pharmacology and Therapeutics, University of the Ryukyus