^○Kenichiro Yamamura (Department of Pediatrics, Kyushu University Hospital, Fukuoka)

^○Norihisa Toh, Teiji Akagi, Shinsuke Yuasa (Department of Cardiovascular Medicine, Okayama University, Okayama)

^○Lucy Youngmin Eun (Yonsei University Severance Hospital, Seoul)

^○Isao Shiraishi¹, Hideo Ohuchi¹, Kei Inai², Atsushi Yao³, Ryota Ochiai⁴, Yoshihide Mitani⁵, Sachiko Kido⁶, Takashi Higaki⁷, Hiroyuki Yamagishi⁸, Teiji Akagi⁹ (1.National Cerebral and Cardiovascular Center, Osaka, 2.Tokyo Women's Medical University, Tokyo, 3.Tokyo University, Tokyo, 4.Yokohama City University Hospital, Kanagawa, 5.Mie University Hospital, Mie, 6.Hyogo Children's Hospital, Hyogo, 7.Ehime University Hospital, Ehime, 8.Keio University School of Medicine, Tokyo, 9.Okayama University Hospital, Okayama )

^○Hyun Chung¹, Eung Re Kim², Ji Eun Ban¹, Joowon Lee³, Shinhyeung Kwak⁴, I-Seok Kang⁴, Jinyoung Song⁴, So Ick Jang¹ (1.The Department of Pediatrics, Bucheon Sejong Hospital, Bucheon 2.The Department of Cardiovascular and Thoracic Surgery, Bucheon Sejong Hospital, Bucheon 3.The Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam 4.The Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul)