^○Juri Ogawa¹, Kentaro Kuwabara², Yasuhiko Kawakami¹ (1.Department of Pediatrics, Nippon Medical School, Tokyo, Japan, 2.Department of Pediatrics, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan)

^○Misa Miyake¹, Naoko Ishihara¹, Jun Natsume², Shigetaka Suzuki³, Hiroki Miura¹, Fumihiko Hattori¹, Yoshiyuki Takahashi², Seiji Kojima², Hiroshi Toyama³, Tetsushi Yoshikawa¹ (1.Department of Pediatrics, Fujita Health University School of Medicine, Toyoake, Japan, 2.Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan, 3.Department of Radiology, Fujita Health University School of Medicine, Toyoake, Japan)

^○Makiko Saitoh¹, Ai Hoshino^1,2, Kenjiro Kikuchi³, Gaku Yamanak⁴, Masaya Kubota⁵, Jun-ichi Takanashi⁶, Tomohide Goto⁷, Akira Oka², Masashi Mizuguchi¹ (1.Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 2.Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 3.Department of Pediatrics, The Jikei University School of Medicine, Tokyo, Japan, 4.Department of Pediatrics, Tokyo Medical University, Tokyo, Japan, 5.Division of Neurology, National Center for Child Health and Development, Tokyo, Japan, 6.Department of Pediatrics, Tokyo Womens Medical University Yachiyo Medical Center, Yachiyo, Japan, 7.Department of Neurology, Kanagawa Childrens Medical Center, Yokohama, Japan)

^○Masafumi Sanefuji^1,2, Lee Sooyoung^2,3, Michiko Torio², Yuko Ichimiya², Yasunari Sakai², Yoshito Ishizaki², Hiroyuki Torisu^2,4, Momoko Sasazuki², Satoshi Akamine², Shouichi Ohga² (1.Research Center for Environment and Developmental Medical Sciences, Kyushu University, Fukuoka, Japan, 2.Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 3.Department of Critical Care, Fukuoka Children's Hospital, Fukuoka, Japan, 4.Section of Pediatrics, Department of Medicine, Fukuoka Dental College, Fukuoka, Japan)

^○Yuichi Abe, Kaori Sassa, Hideo Yamanouchi (Department of Pediatrics, Saitama Medical University, Saitama, Japan)

^○Mihoko Matsuzaki^1,4, Rieko Takahashi¹, Satoru Nagata¹, Yoji Nagashima², Hideaki Oda³ (1.Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan, 2.Department of Surgical Pathology, Tokyo Women's Medical University, Tokyo, Japan, 3.Department of Pathology, Tokyo Women's Medical University, Tokyo, Japan, 4.School of Education and Welfare, College of Integrated Human and Social Welfare, Shukutoku University, Chiba, Japan)