1. Department of Laboratory Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea
2. Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
3. Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
5. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
6. Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea