1. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
2. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
3. Department of Internal Medicine, Gyeongsang National University School of Medicine, Jinju, South Korea
4. Division of Antimicrobial Resistance, Center for Infectious Diseases, Korea National Institute of Health, KCDC, Cheongju, South Korea
5. Vaccine Bio Research Institute, The Catholic University of Korea, Seoul, South Korea
6. Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, South Korea
7. Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, South Korea