^○Mondo Kuroda, Kumi Azuma, Asumi Jinkawa, Masaaki Usami, Yusuke Matsuda, Yoko Imi, Tadafumi Yokoyama, Taizo Wada (Department of Pediatrics, Kanazawa University, Ishikawa, Japan)

^○Kensuke Sakata, Go Kawano, Toyojiro Matsuishi (Department of Pediatrics, St.Marrys Hospital, Kurume, Fukuoka, Japan)

^○Hiroko Tada¹, Tomohide Goto², Keiko Ichimoto³, Kei Murayama^3,4, Jun-ichi Takanashi⁵ (1.Devision of Pediatrics, Chibaken Saiseikai Narashino Hospital, Chiba, Japan, 2.Devision of Neurology, Kanagawa children's medical center, Kanagawa, Japan, 3.Devision of Neurology, Chiba children's hospital, Chiba, Japan, 4.Juntendo intractable disease research center, Tokyo, Japan, 5.Department of Pediatrics, Tokyo Women's Medical University Yachiyo Medical center, Chiba, Japan)