[1] Hyogo College of Medicine,Department of Pediatric Surgery
[2] National Center for Child Health and Development,Division of General Surgery
[3] National Center for Child Health and Development,Division of Clinical Research
[4] Osaka University Graduate School of Medicine,Department of Pediatric Surgery
[5] Kyusyu University Hospital,Department of Pediatric Surgery
[6] National Center for Child Health and Development,Division of Neonatology
[7] Kanagawa Children’s Medical Center,Department of Obstetrics and Gynecology
[8] Kanagawa Children’s Medical Center,Department of Neonatology
[9] National Center for Child Health and Development,Division of Maternal
[10] Osaka Medical Center and Research Institute for Maternal and Child Health,Fetal and Neonatal Medicine
[11] Osaka Medical Center and Research Institute for Maternal and Child Health,Department of Pediatric Cardiology