^○Susumu Ito¹, Naho Matsushima^1,2, Yui Otani¹, Kaoru Eto¹, Hirokazu Oguni¹, Satoru Nagata¹ (1.Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan, 2.Department of Pediatrics and Adolescent Medicine, Juntendo University, Tokyo, Japan)

^○Hiroshi Shiraku, Kenji Sugai, Eri Takeshita, Yuko Motohashi, Akihiko Ishiyama, Takashi Saito, Hirofumi Komaki, Eiji Nakagawa, Masayuki Sasaki (The Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan)

^○Kei Sugimoto, Hirokazu Oguni, Susumu Ito, Yui Otani, Kaoru Eto, Akiko Takeshita, Kyoko Hirasawa, Satoru Nagata (Department of pediatrics,Tokyo women's Medical University, Tokyo, Japan)

^○Yasuhiro Kimoto¹, Erina Taniguchi¹, Noriko Hidaka², Toshio Ikeda¹ (1.The Department of Pediatrics, School of Medicine, University of Miyazaki, Miyazaki, Japan, 2.The Department of Pediatrics, Miyazaki Prefectural Nichinan Hospital, Nichinan, Japan)

^○Hiroki Kubota, Tamami Yano, Tutomu Takahashi (Department of Pediatrics, Akita University Graduate School of Medicine, Akita, Japan)