[1] Univ Texas Southwestern Med Ctr & Childrens Hlth S, Dept Pediat, Div Cardiol, Dallas, TX USA
[2] Univ Texas Southwestern Med Ctr & Childrens Hlth S, Dept Cardiovasc & Thorac Surg, Div Pediat Cardiac Surg, Dallas, TX USA
[3] Childrens Med Ctr, Dept Cardiovasc & Thorac Surg, Div Pediat Cardiac Surg, 1935 Med Dist Dr, Dallas, TX 75235 USA