1. Department of Laboratory Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea.
2. Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
3. Department of Laboratory Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Laboratory Medicine, Gyeongsang National University College of Medicine, Jinju, Korea.
5. Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Laboratory Medicine, Dongguk University Gyeongju Hospital, Dongguk University College of Medicine, Gyeongju, Korea.
7. Department of Laboratory Medicine, Keimyung University Dongsan Hospital, Keimyung University School of Medicine, Daegu, Korea.
8. Department of Laboratory Medicine, Yonsei University Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea.
9. Department of Laboratory Medicine, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea.
10. Department of Laboratory Medicine, Chonbuk National University Hospital, Chonbuk National University Medical School, Jeonju, Korea.
11. Department of Laboratory Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea.
12. Department of Laboratory Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.