1. Division of Pediatrics, Department of Homeostatic Regulation and Development, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
2. Thyroid Committee, Japanese Society for Pediatric Endocrinology
3. Department of Pediatrics, Hokkaido University School of Medicine, Sapporo, Japan
4. Mass Screening Committee, Japanese Society for Pediatric Endocrinology
5. Department of Pediatrics, Yamagata University School of Medicine, Yamagata, Japan
6. Sapporo City Institute of Public Health, Sapporo, Japan
7. Japanese Society for Neonatal Screening
8. Department of Pediatrics, Jichi Medical University Tochigi Children’s Medical Center, Tochigi, Japan