1. Division of Hematology/ Oncology, Department of Internal Medicine, National Cheng Kung University Hospital Douliou Branch, Yunlin, Taiwan
2. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan