1. Department of Pediatrics, Kyungpook National University School of Medicine, Daegu, Korea.
2. Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.
3. Department of Radiology, Kyungpook National University School of Medicine, Daegu, Korea.
4. Department of Pathology, Kyungpook National University School of Medicine, Daegu, Korea.