1. Department of Internal Medicine, Kosin University College of Medicine, Kosin University Gospel Hospital, Busan, South Korea
2. Department of Hematology/Oncology, Kyungpook National University Hospital, Daegu, South Korea
3. Department of Hematology-Oncology, Chonnam National University Hwasun Hospital, Hwasun, Jeollanamdo, South Korea
4. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea
5. Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University, Daejeon, South Korea
6. Division of Hematology and Cellular Therapy, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea
7. Department of Hematology-Oncology, Center for Hematologic Malignancy, National Cancer Center, Goyang, South Korea
8. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
9. Department of Internal Medicine, Busan Paik Hospital, Busan, South Korea
10. Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
11. Division of Hematology-Oncology, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, South Korea
12. Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, South Korea
13. Department of Internal Medicine, Daegu Catholic University Medical Center, Daegu, South Korea
14. Department of Hematology-Oncology, Yeungnam University Medical Center, Yeungnam University School of Medicine, Daegu, South Korea