| Affiliation: | 1. Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan;2. Department of Endocrinology and Metabolism, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan;3. Department of Pediatrics (Neonates), Toyohashi Municipal Hospital, Aichi, Japan;4. Department of Neonatology and Pediatrics, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan;5. Department of Obstetrics and Gynecology, Hokkaido University Graduate School of Medicine, Hokkaido, Japan;6. Department of Pediatrics, Tohoku University School of Medicine, Miyagi, Japan;7. Department of Obstetrics and Gynecology, Hyogo College of Medicine, Hyogo, Japan;8. Department of Radiology, Tokyo Metropolitan Children's Medical Center, Tokyo, Japan |
