[1] Johns Hopkins Univ, Sch Med, Dept Surg, Div Cardiac Surg, Baltimore, MD 21205 USA
[2] Univ S Florida, All Childrens Hosp, Dept Surg, Div Cardiovasc Surg, St Petersburg, FL 33701 USA
[3] Florida Hosp Children, St Petersburg, FL USA
[4] All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Dept Surg, Div Cardiovasc Surg, Tampa, FL USA
[5] Florida Hosp Children, Tampa, FL USA
[6] All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Dept Surg, Div Cardiovasc Surg, Orlando, FL USA
[7] Harvard Univ, Sch Med, Childrens Hosp Boston, Boston, MA USA
[8] Duke Univ, Durham, NC USA
[9] Univ Louisville, Kosair Childrens Hosp, Louisville, KY 40292 USA
[10] Univ Michigan, CS Mott Childrens Hosp, Ann Arbor, MI 48109 USA
[11] Childrens Hosp & Clin Minnesota, Childrens Heart Clin, Minneapolis, MN USA
[12] Univ Missouri, Sch Med, Dept Surg, Kansas City, MO 64108 USA
[13] Univ Calif San Francisco, Benioff Childrens Hosp, Div Pediat Cardiac Surg, San Francisco, CA 94143 USA
[14] Alfred I duPont Hosp, Nemours, Wilmington, DE USA
[15] Soc Thorac Surg, Chicago, IL USA
[16] McGill Univ, Montreal Childrens Hosp, Montreal, PQ H3H 1P3, Canada
[17] Royal Hosp, Muscat, Oman
[18] Northwestern Univ, Ann & Robert H Lurie Childrens Hosp Chicago, Feinberg Sch Med, Chicago, IL 60611 USA
[19] Texas Childrens Hosp, Baylor Coll Med, Houston, TX 77030 USA
[20] Cincinnati Childrens Hosp Med Ctr, Inst Heart, Cincinnati, OH 45229 USA
[21] Great Ormond St Hosp Sick Children, London, England
[22] Wayne State Univ, Sch Med, Childrens Hosp Michigan, Detroit, MI USA
[23] Childrens Natl Med Ctr, Washington, DC 20010 USA
[24] Univ Michigan, Ann Arbor, MI 48109 USA
[25] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Boston, MA USA