Yumi Okoshi¹, KEIKO TOMINAGA¹, JINRO NAGATA¹, NAOYUKI TANUMA¹, MICHIO FUKUMIZU¹, NOBUTAKA ARAI², TOURU IGARI³ (1.The Department of Pediatrics, Tokyo Metropolitan Fuchu Medical Center for the Disabled, Tokyo, Japan, 2.The Department of Neuropathology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan, 3.The Department of pathology, National Center for Global Health and Medicine, Tokyo, Japan)

Hidetoshi Ishigaki, HIROFUMI KOMAKI, ERI TAKESHITA, YUKO MOTOHASHI, AKIHIKO ISHIYAMA, TAKASHI SAITO, EIJI NAKAGAWA, KENJI SUGAI, YUKO SAITO, MASAYUKI SASAKI (Department of child Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan)

Daisuke Ieda¹, AYAKO HATTORI¹, IKUMI HORI¹, YUJI NAKAMURA¹, YUTAKA NEGISHI¹, TAKESHI ENDO¹, NAOKI ANDO¹, KANA FUJII², TAKAYUKI MURASE², HIROSHI INAGAKI², IKUYA NONAKA³, SHINJI SAITOH¹ (1.Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan, 2.Department of Pathology and Molecular Diagnostics, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan, 3.Department of Child Neurology, National Center of Neurology and Psychiatry, Kodaira, Japan)

Katsuyuki Yamaguchi (Department of Pathology, Dokkyo Medical University, Mibu, Japan)