[1] Johns Hopkins Univ, Sch Med, Dept Surg, Div Cardiac Surg, Baltimore, MD 21205 USA
[2] All Childrens Hosp, Johns Hopkins All Childrens Heart Inst, Dept Surg, Div Cardiovasc Surg, St Petersburg, FL 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] Florida Hosp Children, Orlando, FL USA
[8] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Boston, MA USA
[9] Univ Michigan, Ann Arbor, MI 48109 USA
[10] Univ Florida, Coll Med, Jacksonville, FL USA
[11] Soc Thorac Surg, Chicago, IL USA
[12] Lahey Hosp & Med Ctr, Burlington, MA USA
[13] Univ Virginia, Charlottesville, VA USA
[14] Univ Pittsburgh, Med Ctr, Pittsburgh, PA USA
[15] Emory Univ, Atlanta, GA 30322 USA
[16] Stanford Univ, Stanford, CA 94305 USA
[17] Henry Ford Hosp, Detroit, MI 48202 USA
[18] Univ Colorado, Sch Med, Aurora, CO USA
[19] Duke Univ, Duke Clin Res Inst, Durham, NC USA
[20] Washington Univ, Sch Med, St Louis, MO USA