Affiliation: | 1. Department of Pediatrics, Tohoku University Medical School, Japan;2. Sendai, Japan;3. Sapporo, Japan;4. Niigata, Japan;5. Tokyo, Japan;6. Kanagawa, Japan;7. Nagoya, Japan;8. Osaka, Japan;9. Tokushima, Japan;11. Kurume, Japan;12. Kumamoto, Japan |