^○Naomi Shinohara¹, Yasuyo Minagawa², Takeshi Arimitsu¹, Kazushige Ikeda¹, Takao Takahashi¹ (1.Department of Pediatrics, School of Medicine, Keio University, Tokyo, Japan, 2.Department of Psychology, Faculty of Letters, Keio University, Tokyo, Japan)

^○Noriko Yamaoka¹, Satoshi Takada² (1.Kobe Tokiwa University, Kobe, Japan, 2.Graduate School of Health Sciences, Kobe University, Kobe, Japan)

^○Yuri Narita¹, Shin-ichiro Hamano², Mai Kuroda¹, Masaki Shimizu³ (1.Division of psychology, Center for Child Health and Human Development, Saitama Children's Medical Center, Saitama,Japan, 2.Division of Neurology, Saitama Children's Medical Center, Saitama, Japan, 3.Division of Neonatology, Saitama Children's Medical Center, Saitama)

^○Yuki Matsushita^1,2, Masayuki Ochiai^1,2, Hirosuke Inoue^1,2, Kousuke Yonemoto¹, Satoshi Akamine¹, Yoshito Ishizaki¹, Masafumi Sanefuji¹, Yasunari Sakai¹, Hidetoshi Takada^1,2, Shouichi Ohga¹ (1.Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 2.Comprehensive Maternity and Perinatal Care Center, Kyushu University Hospital, Fukuoka, Japan)

^○Hiroyuki Kidokoro¹, Masahiro Hayakawa^1,2, Makoto Ohshiro², Yuichi Kato², Masanori Kohwaki², Tuyoshi Sahashi², Takenori Kato², Kyosei Yamada², Masashi Miyata², Hiroki Imamine², Kuniko Ieda², Hikaru Yamamoto², Seiji Hayashi², Kanji Muramatsu², Taihei Tanaka² (1.Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan, 2.Tokai Neo Forum, Nagoya, Japan)