[1] Childrens Hosp, Boston Adult Congen Heart Grp, Dept Cardiol, Boston, MA 02115 USA
[2] Cleveland Clin Fdn, Cleveland, OH 44195 USA
[3] Penn State Univ, Milton S Hershey Med Ctr, Program Adults CHD, Hershey, PA 17033 USA
[4] Brigham & Womens Hosp, Div Cardiovasc, Boston, MA 02115 USA
[5] Yale Univ, Sch Med, New Haven, CT 06520 USA
[6] Harvard Univ, Sch Med, Childrens Hosp, Boston, MA 02115 USA
[7] Oregon Hlth Sci Univ, Clin Care Ctr Congen Heart Dis, Portland, OR 97201 USA
[8] Stanford Univ, Palo Alto, CA 94304 USA
[9] Univ Toronto, Congen Cardiac Ctr Adults, Toronto Gen Hosp, Toronto, ON M5G 2C41, Canada
[10] Univ So Calif, KECK Sch Med, Dept Pediat, Childrens Hosp Los Angeles, Los Angeles, CA 90027 USA