1. Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka, Japan
2. Department of Pediatrics, Minoh City Hospital, Osaka, Japan
3. Department of Pediatrics, Okayama Saiseikai General Hospital, Okayama, Japan
4. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
5. Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan