1. Department of Laboratory Medicine, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Korea.
2. Biomedical Research Institute, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Korea.
3. Division of Hematology-Oncology, Department of Internal Medicine, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Korea.