1. Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Showa University Fujigaoka Hospital, Kanagawa, Japan
3. Department of Pediatrics and Developmental Biology, Tokyo Medical and Dental University, Tokyo, Japan
4. Department of Pediatrics, Tokyo Bay Urayasu Ichikawa Medical Center, Chiba, Japan
5. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan