1. Department of Laboratory Medicine, International St. Mary’s Hospital, College of Medicine, Catholic Kwandong University, Incheon, Korea
2. Department of Laboratory Medicine, Pusan National University Hospital, Busan, Korea
3. Department of Laboratory Medicine, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea
4. Department of Laboratory Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
5. Department of Laboratory Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea