1. Department of Internal Medicine, Gyeongsang National University School of Medicine, Jinju, Korea.
2. Department of Internal Medicine, Gachon University Gil Hospital, Incheon, Korea.
3. Department of Laboratory Medicine, Gyeongsang National University School of Medicine, Jinju, Korea.
4. Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea.
5. Department of Microbiology, Gyeongsang National University School of Medicine, Jinju, Korea.