[1] Univ Penn, Childrens Hosp Philadelphia, Perelman Sch Med, Div Cardiol, Philadelphia, PA 19104 USA
[2] Univ Penn, Childrens Hosp Philadelphia, Perelman Sch Med, Dept Cardiothorac Surg, Philadelphia, PA 19104 USA
[3] Univ S Florida, All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Div Cardiovasc Surg,Dept Surg, St Petersburg, FL 33701 USA
[4] Florida Hosp Children, St Petersburg, FL USA
[5] All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Dept Surg, Div Cardiovasc Surg, Tampa, FL USA
[6] Florida Hosp Children, Tampa, FL USA
[7] All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Dept Surg, Div Cardiovasc Surg, Orlando, FL USA
[8] Florida Hosp Children, Orlando, FL USA
[9] Johns Hopkins Univ, Dept Surg, Div Cardiac Surg, Baltimore, MD USA
[10] Indiana Univ Sch Med, Indianapolis, IN 46202 USA