Affiliation: | 1. Division of Cardiology, Harbor-UCLA Medical Center, Torrance, Calif, USA;2. Ahmanson-UCLA Adult Congenital Heart Disease Center,;3. Department of Cardiothoracic Surgery, and;4. Pacific Heart Institute, Santa Monica, Calif, USA;5. Division of Cardiology, David Geffen School of Medicine, Los Angeles, Calif, USA |