1. Department of Pediatrics, Miyazaki Prefectural Miyazaki Hospital, Miyazaki, Japan
2. Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
3. Division of Pediatrics, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
4. Department of Fundamental Nursing, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan