1. Department of Pediatrics, Fukushima Medical University, Japan
2. Department of Paediatrics, Ishinomaki Red-Cross General Hospital, Japan
3. Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Child Neurology, Japan
4. Department of Pediatrics, YamaguchiUniversity Graduate School of Medicine, Japan
5. Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Japan
6. Department of Child Development, Kumamoto University School of Medicine, Japan
7. Department of Developmental Medical Sciences, Graduate School of Medicine, Tokyo University, Japan
8. Department of Pediatric Neurology, Shizuoka Children’s Hospital, Japan
9. Department of Neurology, Osaka Medical Center and Research Institute for Maternal and Child Health, Japan
10. Department of Neurology and Neurological Science, Tokyo Medical and Dental University, Japan