1. Korea Acute Myocardial Infarction Registry Investigators of Korean Society of Cardiology, Korea.
2. Chonnam National University Medical School, Gwangju, Korea.
3. Kyungpook National University College of Medicine, Daegu, Korea.
4. Keimyung University College of Medicine, Daegu, Korea.
5. Pusan National University Schoool of Medicine, Busan, Korea.
6. Yeungnam University College of Medicine, Daegu, Korea.
7. Chungnam National University College of Medicine, Daejeon, Korea.
8. Chonbuk National University College of Medicine, Jeonju, Korea.
9. Jeonju Presbyterian Medical Center, Jeonju, Korea.
10. Seoul National University College of Medicine, Seongnam, Korea.
11. Chungbuk National College of Medicine, Cheongju, Korea.
12. Konyang University College of Medicine, Daejeon, Korea.
13. Korea University College of Medicine, Seoul, Korea.
14. Kyunghee University College of Medicine, Seoul, Korea.
15. Yonsei University College of Medicine, Seoul, Korea.
16. Yonsei University Wonju College of Medicine, Wonju, Korea.
17. The Catholic University of Korea College of Medicine, Seoul, Korea.
18. University of Ulsan College of Medicine, Seoul, Korea.