1. Department of Laboratory Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Department of Laboratory Medicine, Hallym University Kangnam Sacred Heart Hospital, The Catholic University of Korea, Seoul, Korea
3. Department of Laboratory Medicine, Yonsei University College of Medicine, The Catholic University of Korea, Seoul, Korea
4. Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea