1. Department of Human Genetics; Yokohama City University Graduate School of Medicine; Kanazawa-ku Yokohama 236-0004 Japan
2. Department of Pediatrics; Yamagata University School of Medicine; Yamagata 990-9585 Japan
3. Division of Neurology; Clinical Research Institute, Kanagawa Children's Medical Center; Minami-ku Yokohama 232-8555 Japan
4. Division of Child Neurology; Faculty of Medicine, Tottori University; Yonago 683-8504 Japan
5. Department of Pediatrics; Tohoku University School of Medicine; Aoba-ku Sendai 980-8574 Japan
6. Department of Pediatric Neurology; Takuto Rehabilitation Center for Children; Taihaku-ku Sendai 982-0241 Japan
7. Laboratory of Proteoglycan Signaling and Therapeutics; Frontier Research Center for Post-Genomic Science and Technology; Graduate School of Life Science; Hokkaido University; Sapporo 001-0021 Japan
8. Department of Medical Genetics; Osaka Medical Center and Research Institute for Maternal and Child Health; Izumi Osaka 594-1101 Japan
9. Division of Legal Medicine; Faculty of Medicine, Tottori University; Yonago 683-8503 Japan
10. Department of Molecular Medicine; Osaka Medical Center and Research Institute for Maternal and Child Health; Izumi Osaka 594-1101 Japan