Dr. Ben Tsutomu Saji, First Department of Pediatrics, Toho
University Omori Medical Center, Tokyo, Japan. Dr. Jane W. Newburger, Harvard Medical School, Department of Cardiology, Boston Children's Hospital, Boston, USADr. Jane C. Burns, Department of Pediatrics, Rady Children’s Hospital, University of California San Diego School of Medicine, La Jolla, USADr. Masato Takahashi, Heart Center, Seattle Children's Hospital, Seattle, USA