1. Cardiovascular Center, Tokeidai Memorial Hospital, Sapporo, Japan
2. Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine, Suita, Japan
3. Department of Cardiology, Kokura Memorial Hospital, Fukuoka, Japan
4. Department of Cardiology, Saiseikai Yokohama-City Eastern Hospital, Yokohama, Japan
5. Department of Transcatheter Cardiovascular Therapeutics, Kanazawa Medical University Hospital, Kahoku-gun, Japan
6. Department of Cardiology, Kobe Central Hospital, Kobe, Japan
7. Department of Cardiology, Ageo Central General Hospital, Ageo, Saitama, Japan
8. Department of Cardiology, Tokyo Bay Urayasu Ichikawa Medical Center, Uyarasu, Japan
9. Fukuyama Cardiovascular Hospital, Fukuyama, Japan
10. Department of Cardiovascular Center, Osaka Red Cross Hospital, Osaka, Japan
11. Division of Cardiovascular Medicine, Okinawa Chubu Hospital, Okinawa, Japan