1. Division of Hematology-Oncology, Department of Internal Medicine, School of Medicine, Medical Research Institute, Pusan National University Hospital,
Busan, Korea
2. Division of Hematology-Oncology, Busan Paik Hospital,
Busan, Korea
3. Division of Hematology-Oncology, Kosin University Gospel Hospital,
Busan, Korea
4. Division of Hematology-Oncology, Ulsan University Hospital,
Ulsan, Korea
5. Division of Hematology-Oncology, Gyeongsang National University Hospital,
Jinju, Korea
6. Division of Hematology-Oncology, Yonsei University College of Medicine, Severance Hospital,
Seoul, Korea
7. Division of Hematology-Oncology, Chonbuk National University Hospital,
Jeonju, Korea