1. College of Medicine, Yeungnam University, Korea.
2. Daegu Fatima Hospital, Korea.
3. College of Medicine, Seoul National University, Korea.
4. College of Medicine, Chonbuk National University, Korea.
5. College of Medicine, Sungkyunkwan University, Korea.
6. College of Medicine, Chonnam National University, Korea.
7. College of Medicine, Inha University, Korea.
8. College of Medicine, Chungbuk National University, Korea.
9. College of Medicine, Inje University, Korea.
10. National Cancer Center, Korea.
11. College of Medicine, Keimyung University, Korea.
12. College of Medicine, Ulsan University, Korea.
13. College of Medicine, Ajou University, Korea.
14. Seoul National University Bundang Hospital, Korea.
15. National Medical Center, Korea.
16. College of Medicine, Kyungpook National University, Korea.
17. College of Medicine, Pusan National University, Korea.
18. College of Medicine, Pochon CHA University, Korea.
19. College of Medicine, Ewha Women's University, Korea.
20. College of Medicine, Yonsei University, Korea.
21. College of Medicine, Korea University, Korea.
22. College of Medicine, The Catholic University of Korea, Korea.
23. College of Medicine, Hanyang University, Korea.
24. College of Medicine, Eulji University, Korea.
25. College of Medicine, Gyeongsang National University, Korea.
26. College of Medicine, Chungnam National University, Korea.
27. College of Medicine, Daegu Catholic University, Korea.