1. Department of Cardio-Diabetes Medicine, the University of Tokushima Graduate School of Health Biosciences
2. Department of Cardiovascular Medicine, the University of Tokushima Graduate School of Health Biosciences
3. Division of Endocrinology, Diabetes and Metabolism, Hematology, Rheumatology, Second Department of Internal Medicine, University of the Ryukyus School of Medicine Graduate School of Medicine
4. Cardiovascular Division, Shonan Hospital
5. Diabetes and Lifestyle-Related Disease Center, Tomishiro Central Hospital