1. Department of Cardio-Diabetes Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School
2. Heart and Neuro-Vascular Center, Fukuoka Wajiro Hospital
3. Division of Endocrinology, Diabetes and Metabolism, Hematology, Rheumatology (Second Department of Internal Medicine), Graduate School of Medicine, University of the Ryukyus
4. Department of Cardiovascular Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School