| Affiliation: | 1. Department of Pediatric Surgery, Osaka University Graduate School of Medicine, , Osaka, Japan;2. Department of Pediatric Surgery, Nihon University School of Medicine, , Tokyo, Japan;3. National Center for Child Health and Development, , Tokyo, Japan;4. Research Institute for Clinical Oncology, Saitama Cancer Center, , Saitama, Japan;5. Center for Innovative Clinical Medicine, Okayama University Hospital, , Okayama, Japan;6. Osaka Medical Center and Research Institute for Maternal and Child Health, , Osaka, Japan |
