1. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
2. Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
3. Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
4. Department of Pediatrics, Tokyo Women’s Medical University Medical Center East, Tokyo, Japan
5. Department of Pediatrics, Saitama Medical University, Saitama, Japan