1. Pediatrics, Fukui Aiiku Hospital, Fukui, Japan
2. Pediatrics, Sotobo Children’s Clinic, Chiba, Japan
3. Pediatrics, Hidaka Children’s Clinic, Fukuoka, Japan
4. Pediatrics, Fukui-ken Saiseikai Hospital, Fukui, Japan
5. Japan Development, MSD K.K, Tokyo, Japan