[1] Boston Childrens Hosp, Dept Cardiol, 300 Longwood Ave, Boston, MA 02115 USA
[2] Frontier Lifeline Hosp, Dept Cardiothorac Surg, Chennai, Tamil Nadu, India
[3] Shanghai Childrens Med Ctr, Dept Pediat Cardiothorac Surg, Shanghai, Peoples R China
[4] Amrita Vishwa Vidyapeetham, Amrita Inst Med Sci & Res Ctr, Dept Pediat Cardiol, Vallikavu, Kerala, India
[5] Juan P Garrahan Pediat Hosp, Dept Crit Care Med, Buenos Aires, DF, Argentina
[6] Univ Tennessee, Hlth Sci Ctr, Global Surg Inst, Dept Surg, Memphis, TN USA
[7] William Novick Global Cardiac Alliance, Memphis, TN USA
[8] George Washington Univ, Childrens Natl Hlth Syst, Childrens Natl Heart Inst, Washington, DC USA