1. Department of Laboratory Medicine, Hanyang University College of Medicine, Seoul, Korea
2. Seoul Clinical Laboratories, Yongin, Korea
3. Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Graduate School of Medical Sciences, Brain, Korea 21 Project, Yonsei University College of Medicine, Seoul, Korea
5. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea