1. Department of Neurology Hyogo Prefectural Kobe Children’s Hospital Hyogo Japan
2. Department of Pediatrics Kobe University Graduate School of Medicine Hyogo Japan
3. Department of Clinical Genetics Hyogo Prefectural Kobe Children's Hospital Hyogo Japan
4. Center for Medical Genetics Keio University School of Medicine Tokyo Japan
5. Department of Ophthalmology Hyogo Prefectural Kobe Children's Hospital Hyogo Japan