Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan

Tadashi Inoue, Keiko Uchida, Kazuki Kodo, Masaya Kunimatsu, Reina Ishizaki & Hiroyuki Yamagishi

Department of Pediatrics and Child Health, Kurume University School of Medicine, Fukuoka, Japan

Tadashi Inoue, Ryuta Takase, Kenji Suda & Yoriko Watanabe

Keio University Health Center, Tokyo, Japan

Keiko Uchida

Research Institute of Medical Mass Spectrometry, Kurume University School of Medicine, Fukuoka, Japan

Yoriko Watanabe

Department of Human Genetics, Division of Advanced Preventive Medical Sciences, Leading Medical Research Core Unit, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan

Koh-Ichiro Yoshiura

Department of Pediatrics, Chiba University Graduate School of Medicine, Chiba, Japan

Masaya Kunimatsu

Institute for Comprehensive Medical Sciences, Tokyo Women’s Medical University, Tokyo, Japan

Kenko Azuma & Hiroyuki Akagawa

Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women’s Medical University, Tokyo, Japan

Kei Inai & Yoshiyuki Furutani

Department of Pediatrics, Kyushu Hospital, Japan Community Healthcare Organization, Kitakyushu, Japan

Jun Muneuchi

Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan

Hiroyuki Yamagishi