1. Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Korea
2. Cancer Research Institute, Seoul National University, Seoul, Korea
3. Department of Internal Medicine, Seoul National University Hospital, 101, Daehak-ro, Jongro-gu, Seoul 03080, Republic of Korea
4. Center for Medical Innovation, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
5. Department of Internal Medicine, Seoul St. Mary’s Hospital, Seoul, Korea
6. Department of Internal Medicine, Gachon University Gil Hospital, Incheon, Korea
7. Department of Internal Medicine, Jeju National University Hospital, Jeju, Korea
8. Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
9. Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
10. Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
11. Department of Hematology and Oncology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea