Affiliation: | 1. Department of Clinical Pathology, Jichi Medical School, Tochigi, Japan;2. Department of Radiology, Saitama Children's Medical Centre, Saitama, Japan;3. Department of Radiology, Jichi Medical School, Tochigi, Japan;4. Department of Paediatrics, Jichi Medical School, Tochigi, Japan;5. Paediatric Surgery, Jichi Medical School, Tochigi, Japan |