1. Department of Pathology, College of Medicine, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan
2. Department of Internal Medicine, College of Medicine, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan
3. Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
4. Department of Pathology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan