1. Department of Laboratory Medicine, Hallym University College of Medicine, Kangdong Sacred Heart Hospital, Seoul, Korea.
2. Neodin Medical Institute, Seoul, Korea.
3. Department of Laboratory Medicine, University of Ulsan and Ulsan University Hospital, Ulsan, Korea.
4. Department of Laboratory Medicine, Korea University College of Medicine, Anam Hospital, Seoul, Korea.
5. Department of Laboratory Medicine, The Catholic University of Korea College of Medicine, Uijeongbu St. Mary's Hospital, Uijeongbu, Korea.
6. Department of Laboratory Medicine, Chosun University College of Medicine, Gwangju, Korea.
7. Department of Laboratory Medicine, Chonbuk National University Medical School, Jeonju, Korea.
8. Department of Laboratory Medicine, University of Ulsan College of Medicine and Gangnung Asan Hospital, Gangnung, Korea.
9. Department of Laboratory Medicine, Hanmaeum General Hospital, Jeju, Korea.
10. Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea.
11. Department of Internal Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.
12. Nursing College, Gachon University, Incheon, Korea.
13. Infection Control Office, The Catholic University of Korea College of Medicine, St. Vincent's Hospital, Suwon, Korea.
14. Department of Clinical Nursing, University of Ulsan College of Medicine, Ulsan, Korea.
15. Department of Laboratory Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.