1. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital, Wonju, Korea.
2. Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital, Wonju, Korea.
3. Infection Control Department, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital, Wonju, Korea.
4. Department of Laboratory Medicine and Research Institute of Antimicrobial Resistance, Yonsei University College of Medicine, Seoul, Korea.