^○Maki Nozaki¹, Michio Fukumizu¹, Michiko Kawai¹, Yasuko Kojima¹, Yuri Nagao¹, Kazue Kimura¹, Masaharu Hayashi¹, Kentarou Matui², Kenichi Kuriyama², Kyoko Hoshino¹ (1.Segawa Memorial Neurological Clinic for Children,Tokyo,Japan, 2.Sleep disorders Center,National Center of Neurology and Psychiatry,Tokyo,Japan)

^○Eiji Kurihara (Department of Child Neurology, Kitahara Life Support Clinic, Tokyo, Japan)

^○Nobuyoshi Sugiyama^1,2, Tomofumi Ohtomo², Shin-ichi Matsuda², Mariko Ikegami², Yoshihiro Miyashita², Tomoyoshi Komiyama³ (1.Department of Pediatrics, JA Kanagawaken Koseiren ISEHARA KYODO Hospital, Kanagawa, Jjapan, 2.Department of Pediatrics, Tokai University School of Medicine, Kanagawa, Japan, 3.Depaetment of Clinical Pharmacology, Tokai Uiniversity School of Medicine, Kanagawa, Japan)

^○Tsukasa Higuchi, Ayako Kanai, Keiko Okita (Department of General Pediatrics, Nagano Children's Hospital, Nagano, Japan)

^○Mutsumi Sato¹, Masayuki Sasaki^2,3, Shimpei Baba² (1.Department of Pediatrics, Odawara Municipal Hospital, Odawara, Japan, 2.Department of Child Neurology, National Center of Neurology and Psychiatry, Kodaira, Japan, 3.Tokyo Children Rehabilitation Hospital)

^○Akio Ishikawa¹, Kazuyuki Nakamura¹, Shinya Kobayashi¹, Akiko Abe², Tetsuo Mitsui¹ (1.Department of Pediatrics, University of Yamagata, Yamagata, Japan, 2.Yamagata City Hospital Saiseikan, yamagata, Japan)