Noboru Yoshida¹, TOMOYUKI NAKAZAWA², SHINICHI NIIJIMA¹, TOSHIAKI SHIMIZU³ (1.Pediatrics Division, Juntendo University Nerima Hospital, Tokyo, Japan, 2.Toshima Hospital, Tokyo, Japan, 3.Pediatrics division, Juntendo University Faculty of Medicine, Tokyo, Japan)

Momoko Oka, TAKESHI MATSUSHIGE, FUMITAKA KOUNO, HIROFUMI INOUE, MADOKA HOSHIDE, SHUNJI HASEGAWA (Yamaguchi University Graduate School of Medicine Department of Pediatrics)

Yasuo Hachiya (Department of Pediatrics, National Hospital Organization Higashinagano Hospital, Nagano, Japan)

Chizuru Ikeda, Mami Fukuma, Hidekazu Tachibana, Hitoshi Kashiki, Takumi Okada, Tomoyuki Shimazu, Hiroe Ueno, Hoseki Imamura (Department of Pediatrics, Kumamoto Saishunso National Hospital, Kumamoto, Japan)

Ayako Yamamoto¹, TOMOHIDE GOTO¹, TATSURO KUMAKI¹, KENSHI SEI¹, YU TSUYUSAKI¹, KAZUSHI ICHIKAWA¹, MEGUMI TSUZI¹, MIZUE IAI¹, YOSHIZUMI YAMASHITA¹, NORIKO AIDA², YUTA FUZII², MOYOKO TOMIYASU² (1.Division of Neurology, Kanagawa Children's Medical Center, Yokohama, Japan, 2.Division of Radiology, Kanagawa Children's Medical Center, Yokohama, Japan)