1. Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
2. Department of Clinical Epidemiology, Hyogo College of Medicine, Nishinomiya, Japan
3. Department of Cardiovascular Medicine, Saga University, Saga, Japan
4. Department of Cardiology, Juntendo University Shizuoka Hospital, Izunokuni, Japan
5. Department of Cardiology, Sendai Kousei Hospital, Sendai, Japan
6. Department of Cardiology, Kokura Memorial Hospital, Kitakyusyu, Japan
7. Department of Cardiology, Japanese Red Cross Wakayama Medical Center, Wakayama, Japan
8. Department of Cardiology, Kurashiki Central Hospital, Kurashiki, Japan
9. Department of Cardiology, Kawaguchi Cardiovascular and Respiratory Hospital, Kawaguchi, Japan
10. Department of Cardiology, Shizuoka General Hospital, Shizuoka, Japan
11. Showa University Fujigaoka Hospital, Yokohama, Japan
12. Showa University Koto Toyosu Hospital, Tokyo, Japan
13. Department of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
14. Department of Cardiology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
15. Department of Cardiology, Chikamori Hospital, Kochi, Japan
16. Division of Cardiology, Saiseikai Kumamoto Hospital Cardiovascular Center, Kumamoto, Japan
17. Division of Cardiology, Mitsui Memorial Hospital, Tokyo, Japan
18. Department of Cardiology, Tokai University Hospital, Isehara, Japan
19. Department of Cardiology, Iwate Medical University Hospital, Morioka, Japan
20. Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, Kobe, Japan
21. Department of Cardiovascular Medicine, Shiga University of Medical Science, Otsu, Japan
22. for the STOPDAPT-2 ACS Investigators