1. Department of Neurosurgery, Miyazaki Prefectural Nobeoka Hospital, Miyazaki 882-0835, Japan
2. Department of Neurosurgery, Kumamoto University Hospital, Kumamoto 860-8556, Japan
3. Department of Diagnostic Pathology, Kumamoto University Hospital, Kumamoto 860-8556, Japan
4. Department of Pediatrics, Kumamoto University Hospital, Kumamoto 860-8556, Japan
5. Department of Pediatrics, Miyazaki Prefectural Nobeoka Hospital, Miyazaki 882-0835, Japan
6. Department of Endocrinology and Diabetes, Daido Hospital, Aichi 457-8511, Japan
7. Department of Endocrinology, Diabetes and Metabolism, Fujita Health University, Aichi 470-1192, Japan
8. Department of Pediatrics, Kumamoto Chuo Hospital, Kumamoto 862-0965, Japan