1. Department of Radiology, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea.
2. Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229-3039.
3. Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, OH.
4. Cancer and Blood Diseases Institute, Division of Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
5. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH.
6. Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
7. Department of Pharmacology, Korea University College of Medicine, Seoul, Republic of Korea.