| Affiliation: | 1. Division of Oncology, Department of Internal Medicine, Kangnam St. Mary's Hospital, Catholic University, Seoul, Republic of Korea;2. Division of Hematology/Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;3. Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Republic of Korea;4. Department of Oncology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea;5. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea |
