^○Tetsuya Hieda¹, Nobuyasu Kato¹, Tsuyoshi Tachibana², Yasushige Shingu¹, Tomonori Ooka¹, Hiroki Kato¹, Suguru Kubota¹, Yoshiro Matsui¹ (1.Department of Cardiovasucular and Thoracic Surgery, Hokkaido University Graduate School of Medicine, 2.Department of Cardiovascular Surgery, Kanagawa Children's Medical Center)

^○Takuji Watanabe, Takayoshi Ueno, Sanae Yamauchi, Takashi Kido, Tomomitsu Kanaya, Naoki Okuda, Kanta Araki, Yuji Tominaga, Koichi Toda, Toru Kuratani, Yoshiki Sawa (Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine)

^○Takashi Kitaichi¹, Mikio Sugano¹, Hirotsugu Kurobe¹, Eiki Fujimoto¹, Yukako Honma², Yasunobu Hayabuchi², Tetsuya Kitagawa¹ (1.Department of Cardiovasucular Surgery, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan, 2.Department of Pediatrics, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan)

^○Yusuke Iwata, Junko Katagiri, Hiroshi Koshiyama, Takamasa Takeuchi (Department of Pediatric Cardiac Surgery, Gifu Children`s Medical Center, Gifu Prefectural General Medical Center)

^○Naoki Masaki, Satoshi Matsuo, Sadahiro Sai (Miyagi Children's Hospital)