1. National Emergency Medical Center, National Medical Center, Seoul, Korea.
2. Division of Infectious Diseases, Department of Internal Medicine, Incheon Medical Center, Incheon, Korea.
3. Department of Pulmonology, Busan Medical Center, Busan, Korea.
4. Department of Tuberculosis, Seoul Metropolitan Seobuk Hospital, Seoul, Korea.
5. Department of Orthopedic Surgery, Seoul Metropolitan Seonam Hospital, Seoul, Korea.
6. Department of Laboratory Medicine, Chungju Medical Center, Chungju, Korea.
7. Department of Internal Medicine, Gyeonggi Provincial Medical Center Ansung Hospital, Anseong, Korea.
8. Department of Infection Control, Chungcheongnam-do Gongju Medical Center, Gongju, Korea.
9. Division of Infectious Disease, Department of Internal Medicine, Armed Forces Capital Hospital, Seongnam, Korea.
10. Department of Infection Control, Chungcheongnam-do Seosan Medical Center, Seosan, Korea.
11. Department of Infectious Diseases, Chonnam National University Medical School, Gwangju, Korea.
12. Department of Nursing, Yeongju Red Cross Hospital, Yeongju, Korea.
13. Division of Infectious Diseases, Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea.
14. Department of Surgery, Gyeonggi Provincial Medical Center Uijeongbu Hospital, Uijeongbu, Korea.
15. Division of Infectious Disease, Department of Internal Medicine, Kyungpook National University Hospital, Daegu, Korea.
16. Department of Internal Medicine, Korea Workers’ Compensation & Welfare Services Daegu Hospital, Daegu, Korea.
17. Division of Infectious Diseases, Department of Internal Medicine, Myongji Hospital, Goyang, Korea.
18. Department of Internal Medicine, Chungcheongnam-do Cheonan Medical Center, Cheonan, Korea.
19. Division of Infectious Diseases, Department of Internal Medicine, Seoul Medical Center, Seoul, Korea.
20. Department of Internal Medicine, Jeonllanam-do Suncheon Medical Center, Suncheon, Korea.
21. Division of Infectious Diseases, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
22. Infection Control Team, Cheongju Medical Center, Cheongju, Korea.
23. Division of Infectious Diseases, Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea.
24. Division of Infectious Diseases, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, Korea.
25. Intensive Care Team, Gyeonggi Provincial Medical Center Paju Hospital, Paju, Korea.
26. Infection Control Team, Gyeonggi Provincial Medical Center Icheon Hospital, Icheon, Korea.
27. Infection Control Team, Korea Worker's Compensation & Welfare Service Changwon Hospital, Changwon, Korea.
28. National Medical Center, Seoul, Korea.
29. Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.