[1] Univ S Florida, All Childrens Hosp Cardiac Surg Associates Florid, Coll Med, Congenital Heart Inst Florida,Div Thoracic & Card, St Petersburg, FL 33701 USA
[2] Univ S Florida, All Childrens Hosp Cardiac Surg Associates Florid, Coll Med, Congenital Heart Inst Florida,Div Thoracic & Card, Tampa, FL USA
[3] Duke Univ, Sch Med, Dept Pediat, Durham, NC USA
[4] Duke Clin Res Inst, Durham, NC USA
[5] Univ Washington, Seattle Childrens Hosp, Sch Med, Div Pediat Crit Care Med, Seattle, WA 98195 USA
[6] Univ S Florida, All Childrens Hosp, Coll Med, Congenital Heart Inst Florida,Div Crit Care, St Petersburg, FL 33701 USA
[7] Univ S Florida, All Childrens Hosp, Coll Med, Congenital Heart Inst Florida,Div Crit Care, Tampa, FL USA
[8] Emory Univ, Sch Med, Childrens Healthcare Atlanta & Dept Pediat, Atlanta, GA 30322 USA