^○Toshitaka Tanaka, Yuka Yamamoto, Shun Masaoka, Asako Kumagai, Sachi Sukekawa, Shiori Nishizawa, Yoshiko Murase, Satomi Tanaka, Shoutaro Yata, Hiroshi Kaneda, Naoki Mitsuhashi (The Department of Obstetrics and Gynecology, Juntendo University Shizuoka Hospital, Shizouka, Japan)

^○Naoko Iwanaga¹, Chinami Horiuchi¹, Akira Miyake², Heima Sakaguchi², Kenichi Kurosaki², Isao Shiraishi², Jun Yoshimatsu¹ (1.Department of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, Osaka, Japan, 2.Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, Osaka, Japan)

^○Akira Miyake¹, Kenichi Kurosaki¹, Masataka Kitano¹, Heima Sakaguchi¹, Kazuto Fujimoto¹, Masatoshi Shimada², Takaya Hoashi², Kouji Kagisaki², Hajime Ichikawa², Jun Yoshimatsu³, Isao Shiraishi¹ (1.The Department of Pediatrics, National Cerebral and Cardiovascular Center, Osaka, Japan, 2.The Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Osaka, Japan, 3.The Department of Perinatology and Gynecology, National Cerebral and Cardiovascular Center, Osaka, Japan)

^○Atsushi Nakao, Syusuke Amakata, Keiji Tsuchiya, Chisa Tsurisawa, Tomohiro Takeda, Yuko Sakurai (The Department of Neonatology, Japanese Redcross Medical Center, Tokyo, Japan)

^○Ayami Gonnokami (Kanagawa Children's Medical Center)