1. Department of Human Genetics; Yokohama City University Graduate School of Medicine; Yokohama Japan
2. Department of Pediatrics; Tokyo Medical University; Shinjuku Japan
3. Department of Medical Genetics; Osaka Medical Center and Research Institute for Maternal and Child Health; Izumi Japan
4. Department of Pediatrics, Epilepsy Center; Nishi-Niigata Chuo National Hospital; Niigata Japan
5. Department of Pediatrics; Yamagata University Faculty of Medicine; Yamagata Japan
6. Department of Pediatric Neurology; Morinomiya Hospital; Osaka Japan