[1] UCLA, David Geffen Sch Med, Ahmanson UCLA Adult Congenital Heart Dis Ctr, 100 UCLA Med Plaza,Suite East 630 East, Los Angeles, CA 90095 USA
[2] UCLA, Dept Med, Div Palliat Care, David Geffen Sch Med, Los Angeles, CA USA
[3] Univ Washington, Div Cardiol, Seattle, WA USA
[4] UCLA, Ahmanson UCLA Adult Congenital Heart Dis Ctr, David Geffen Sch Med, Los Angeles, CA USA
[5] 530 First Ave,HCC 4D, New York, NY 10016 USA