1. Kansai Rosai Hospital Cardiovascular Center, Hyogo, Japan
2. Department of Metabolic Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
3. Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
4. Department of Cardiology, Kokura Memorial Hospital, Fukuoka, Japan
5. Division of Cardiology, Saiseikai Yokohama-City Eastern Hospital, Kanagawa, Japan
6. Cardiovascular Center, Kikuna Memorial Hospital, Kanagawa, Japan
7. Department of Cardiovascular Medicine, Omihachiman Community Medical Center, Shiga, Japan
8. Cardiovascular Division, Department of Internal Medicine, Morinomiya Hospital, Osaka, Japan
9. Nishinomiya Municipal Central Hospital, Hyogo, Japan
10. Cardiovascular Center, Fukuoka Sanno Hospital, Fukuoka, Japan