1. Department of Laboratory Medicine, Chung-Ang University Healthcare System and Medical Device Clinical Trials Center, Seoul, Korea
2. Departments of Laboratory Medicine, Samsung Medical Center, Seoul, Korea
3. Departments of Internal Medicine, Samsung Medical Center, Seoul, Korea
4. Departments of Laboratory Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
5. Departments of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
6. Hanmaeum Blood Center, Gwacheon, Korea