1. Department of Medicine, Division of Hematology and Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
2. National Yang-Ming University School of Medicine, Taipei, Taiwan
3. Department of Medicine, Division of Transfusion Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
4. Institute of Public Health and School of Medicine, National Yang-Ming University, Taipei, Taiwan
5. Department of Life Science, Fu-Jen University, New Taipei City, Taiwan