1. Department of Laboratory Medicine and Genetics, Division of Hematology & Oncology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
2. Department of Internal Medicine, Division of Hematology & Oncology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea