Affiliation: | (1) Department of Pediatrics, Saga Koseikan Hospital, 1-12-9 Mizugae, 840 Saga-shi Saga, Japan;(2) Department of Pediatric Surgery, Saga Koseikan Hospital, 1-12-9 Mizugae, 840 Saga-shi Saga, Japan;(3) Department of Radiology, Faculty of Medicine, Kyushu University, Higashi-ku, Fukuoka, Japan;(4) Department of First Surgery, Faculty of Medicine, Kyushu University, Higashi-ku, Fukuoka, Japan |