1. Department of Laboratory Medicine, Seoul National University Hospital and College of Medicine, Seoul, Korea
2. Department of Laboratory Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea
3. Department of Laboratory Medicine, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
5. Department of Biostatistics, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea