Affiliation: | (1) Department of Pediatric Cardiology, Sakakibara Heart Institute, 2-5-4 Yoyogi, Shibuya-ku, 151 Tokyo, Japan;(2) Department of Cardiac Surgery, Sakakibara Heart Institute, 2-5-4 Yoyogi, Shibuya-ku, 151 Tokyo, Japan;(3) Pediatric Department, Tokyo Medical and Dental University School of Medicine, 1-5-45 Yushima, Bunkyo-ku, 113 Tokyo, Japan |