1. Department of Mental Retardation and Birth Defect Research, National Center of Neurology and Psychiatry, Kodaira, Japan
2. Advanced Science Research Center, Kanazawa University, Kanazawa, Japan
3. Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, FL, USA
4. Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan
5. Department of Pediatrics, Osaka Medical University, Osaka, Japan
6. Department of Child Neurology, Okayama University, Okayama, Japan
7. Department of Pathology and Experimental Medicine, Okayama University, Okayama, Japan
8. Department of Child Neurology, University of Tottori, Yonago, Japan
9. Department of Pediatrics, Osaka University, Osaka, Japan
10. Department of Developmental Biology, National Institute for Basic Biology, Natural Institutes of Natural Sciences, Okazaki, Japan
11. Department of Basic Biology, School of Life Science, the Graduate University of Advanced Studies (SOKENDAI), Hayama, Japan
12. Department of Cell Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan