[1] Univ Missouri, Sch Med, Dept Surg, Kansas City, MO 64108 USA
[2] Univ Alabama Birmingham, Birmingham, AL USA
[3] Childrens Natl Med Ctr, Dept Cardiovasc Surg, Washington, DC 20010 USA
[4] Nicklaus Childrens Hosp, Miami, FL USA
[5] McGill Univ, Ctr Hlth, Montreal Childrens Hosp, Div Pediat Cardiovasc Surg, Montreal, PQ, Canada
[6] Johns Hopkins Univ, Johns Hopkins All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Div Cardiovasc Surg, St Petersburg, FL USA
[7] Johns Hopkins Univ, Johns Hopkins All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Div Cardiovasc Surg, Tampa, FL USA
[8] Johns Hopkins Univ, Johns Hopkins All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Div Cardiovasc Surg, Orlando, FL USA
[9] Johns Hopkins Univ, Florida Hosp Children, St Petersburg, FL USA
[10] Johns Hopkins Univ, Florida Hosp Children, Tampa, FL USA
[11] Johns Hopkins Univ, Florida Hosp Children, Orlando, FL USA
[12] Univ Louisville, Norton Childrens Hosp, Louisville, KY 40292 USA
[13] Childrens Hosp Illinois, Congenital Heart Ctr, Peoria, IL USA
[14] Penn State Childrens Hosp, Hershey, PA USA
[15] Med Coll Wisconsin, Herma Heart Inst, Milwaukee, WI 53226 USA
[16] Johns Hopkins Univ, Div Cardiac Surg, Baltimore, MD USA