1 Department of Neurology, Japanese Red Cross Shizuoka Hospital, 8-2 Ohtemachi, Aoi-ku, Shizuoka 420-0853, Shizuoka, Japan
2 Department of Human Genetics, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan
3 Department of Child Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan
4 Division of Child Neurology, Institute of Neurological Sciences, Faculty of Medicine, Tottori University, Yonago, Japan
5 Department of Oral Surgery, Shizuoka-Shimizu Municipal Hospital, Shizuoka, Japan
6 Department of Neurosurgery, Manaka Hospital, Kanagawa, Japan
7 Department of Biochemistry, Yokohama City University Graduate School of Medicine, Yokohama, Japan