1 Department of Laboratory Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea.
2 Department of Laboratory Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea.
3 Department of Laboratory Medicine, Ewha Womans University College of Medicine, Seoul, Korea.
4 Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
5 Department of Laboratory Medicine, School of Medicine, Konkuk University, Seoul, Korea.
6 Department of Laboratory Medicine, Seoul National University Bundang Hospital and College of Medicine, Seongnam, Korea.
7 Department of Laboratory Medicine and Genetics, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.