Affiliation: | From the Departments of ‡Biochemistry and Molecular Biology and ;‖Pediatrics, College of Medicine, Hanyang University, Seoul 133-791, Korea, ;§Department of Internal Medicine and Institute of Allergy, Yonsei University College of Medicine, Seoul 120-749, Korea, and ;¶Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea |