1. Department of Laboratory Medicine, Inje University College of Medicine, Busan, Korea.
2. Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, Korea.
3. Paik Institute for Clinical Research, Inje University College of Medicine, Busan, Korea.
4. Department of Laboratory Medicine, Pusan National University School of Medicine, Yangsan, Korea.
5. Department of Laboratory Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
6. Department of Laboratory Medicine, Gyeongsang National University School of Medicine, Jinju, Korea.
7. Department of Laboratory Medicine, Yeungnam University College of Medicine, Daegu, Korea.
8. Department of Laboratory Medicine, Keimyung University School of Medicine, Daegu, Korea.