Institution: | (1) Department of Pediatrics, Yamagata University School of Medicine, 2-2-2 Iida-nishi, Yamagata 990-9585, Japan;(2) Department of Pediatrics, Akita University School of Medicine, Akita, Japan;(3) Department of Neurology, Brain Research Institute, Niigata University, Niigata, Japan;(4) Department of Neurology, Toyooka Hospital, Hyogo, Japan |