1. Department of Cardiovascular Medicine, Sendai Kousei Hospital
2. Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine
3. Department of Cardiology, Tokyobay UrayasuIchikawa Medical Center
4. Department of Cardiology, Shonan Kamakura General Hospital
5. Department of Cardiovascular Medicine, Asahi General Hospital
6. Department of Cardiology, Saiseikai Yokohama City Eastern Hospital
7. Department of Cardiology, Funabashi Municipal Medical Center
8. Department of Cardiology, Tokyo Saiseikai Central Hospital