1. Department of Laboratory Medicine, Chonnam National University Medical School, Gwangju, Korea.
2. Department of Laboratory Medicine, Kyungpook National University of Medicine, Daegu, Korea.
3. Department of Laboratory Medicine, Chungnam National University of Medicine, Daejeon, Korea.
4. Department of Laboratory Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea.
5. Department of Laboratory Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea.
6. Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, Korea.
7. Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
8. Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
9. Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
10. Department of Laboratory Medicine, Chonbuk National University Medical School, Jeonju, Korea.
11. Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea.