1. Division of Pediatric Endocrinology and Metabolism, Children’s Medical Center, Osaka City General Hospital, Osaka, Japan
2. Division of Endocrinology and Metabolism, National Center for Child Health and Development, Tokyo, Japan
3. Department of Pediatrics, Keio University, Tokyo, Japan
4. Department of Endocrinology and Metabolism, Kanagawa Children’s Medical Center, Kanagawa, Japan
5. Department of Pediatrics, St. Marianna University School of Medicine, Kanagawa, Japan
6. Division of Endocrinology, Chiba Children’s Hospital, Chiba, Japan
7. Department of Pediatric Gastroenterology, Nutrition and Endocrinology, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan
8. Department of Pediatric Surgery, Nara Hospital, Kindai University Faculty of Medicine, Nara, Japan
9. Department of Pediatric Surgery, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
10. Department of Surgery, National Center for Child Health and Development, Tokyo, Japan
11. Division of Pediatric Surgery, St. Marianna University School of Medicine, Kanagawa, Japan
12. Department of Surgery, Kanagawa Children’s Medical Center, Kanagawa, Japan
13. Department of Pediatric Surgery, Tohoku University, Miyagi, Japan