1. Department of Human GeneticsYokohama City University Graduate School of MedicineYokohama Kanagawa Japan
2. Clinical Genetics DepartmentYokohama City University HospitalYokohama Kanagawa Japan
3. Department of NeuropediatricsTokyo Metropolitan Neurological HospitalFuchu Tokyo Japan
4. Department of NeuroradiologyTokyo Metropolitan Neurological HospitalFuchu Tokyo Japan
5. Department of BiochemistryHamamatsu University School of MedicineShizuoka Japan