1. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
2. Department of Laboratory Medicine, National Health Insurance Service, Ilsan Hospital, Goyang, Korea
3. Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Chonnam National University Medical School, Gwangju, Korea
5. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
6. Department of Laboratory Medicine, Chungbuk National University College of Medicine, Cheongju, Korea
7. Department of Laboratory Medicine and Paik Institute for Clinical Research, Inje University College of Medicine, Busan, Korea
8. Department of Research, Health Insurance Review & Assessment Service, Wonju, Korea