[1] Univ Toyama, Fac Med, Dept Pediat, 2630 Sugitani, Toyama 9300194, Japan
[2] Univ Toyama, Dept Legal Med, Toyama, Japan
[3] Univ Toyama, Fac Med, Dept Internal Med 2, Toyama, Japan
[4] Natl Cerebral & Cardiovasc Ctr, Suita, Osaka, Japan
[5] Osaka Univ, Grad Sch Med, Dept Cardiovasc Med, Osaka, Japan
[6] Kyushu Hosp, Dept Pediat, Japan Community Healthcare Org, Fukuoka, Japan
[7] Aichi Childrens Hlth & Med Ctr, Dept Cardiol, Aichi, Japan
[8] Tsuchiya Gen Hosp, Dept Pediat, Hiroshima 7308655, Japan
[9] Asahikawa Med Univ Hosp, Dept Radiol, Asahikawa, Hokkaido, Japan
[10] Yokosuka Gen Hosp Uwamachi, Dept Ophthalmol, Yokosuka, Kanagawa, Japan
[11] Okayama Univ, Grad Sch Med Dens & Pharmaceut Sci, Dept Pediat, Okayama, Japan
[12] Okinawa Prefectural Nanbu Med Ctr, Childrens Med Ctr, Arakawa, Okinawa, Japan
[13] Iwate Med Univ, Sch Med, Dept Pathol, Iwate, Japan
[14] Gifu Prefectural Gen Med Ctr, Dept Pediat Cardiol, Gifu, Japan
[15] Univ Miyazaki, Dev & Urol Reprod Med, Div Pediat, Fac Med, Miyazaki, Japan
[16] Kyoto Univ Hosp, Dept Pediat, Kyoto, Japan
[17] Kanazawa Med Univ, Dept Pediat Surg, Kanazawa, Ishikawa, Japan
[18] Kanazawa Univ Hosp, Dept Pediat Surg, Kanazawa, Ishikawa, Japan
[19] Kyushu Univ Hosp, Dept Pediat, Fukuoka, Fukuoka, Japan
[20] Natl Cerebral & Cardiovasc Ctr, Dept Pediat Cardiol, Osaka, Japan
[21] Natl Ctr Child Hlth & Dev, Div Cardiol, Tokyo, Japan
[22] Saitama Med Univ Int Med Ctr, Dept Pediat Cardiol, Saitama, Japan
[23] Saitama Childrens Med Ctr, Dept Cardiol, Saitama, Japan
[24] Yamaguchi Univ, Grad Sch Med, Dept Pediat, Yamaguchi, Japan
[25] Univ Yamanashi, Fac Med, Dept Pediat, Yamanashi, Japan
[26] Shiga Univ Med Sci, Dept Pediat, Shiga, Japan
[27] Showa Univ Hosp, Pediat Heart Dis & Adult Congenital Heart Dis Ctr, Tokyo, Japan
[28] Shizuoka Childrens Hosp, Dept Cardiol, Shizuoka, Japan
[29] Kurashiki Cent Hosp, Dept Pediat, Okayama, Japan
[30] Osaka City Gen Hosp, Dept Pediat Cardiol, Osaka, Japan
[31] Osaka City Gen Hosp, Pediat, Osaka, Japan
[32] Takeda Gen Hosp, Dept Pediat, Aizu City, Japan
[33] Chutoen Gen Med Ctr, Dept Pediat, Shizuoka, Japan
[34] Nagano Childrens Hosp, Dept Pediat Cardiol, Nagano, Japan
[35] Tottori Univ, Fac Med, Div Pediat & Perinatol, Tottori, Japan
[36] Tokyo Univ Hosp, Dept Pediat, Tokyo, Japan
[37] Tokyo Metropolitan Childrens Med Ctr, Div Cardiol, Tokyo, Japan
[38] Tokushima Univ Hosp, Dept Pediat, Tokushima, Japan
[39] Japanese Red Cross, Med Ctr, Dept Pediat, Tokyo, Japan
[40] Nihon Univ, Sch Med, Dept Pediat & Child Hlth, Tokyo, Japan
[41] Toyama Prefectural Cent Hosp, Dept Pediat, Toyama, Japan
[42] FUKUI CARDIOVASC CTR, DEPT PEDIAT, FUKUI, Japan
[43] Fukuoka Childrens Hosp, Dept Cardiol, Fukuoka, Japan
[44] Fukuoka Childrens Hosp, Dept Fetal Cardiol, Fukuoka, Japan
[45] Hyogo Prefectural Kobe Childrens Hosp, Dept Cardiol, Kobe, Hyogo, Japan
[46] Kitano Hosp, Tazuke Kofukai Med Res Inst, Dept Pediat, Osaka, Japan
[47] Int Univ Hlth & Welf, Tokyo, Japan