[1] Childrens Hosp Philadelphia, Div Cardiol, Philadelphia, PA USA
[2] Childrens Hosp Philadelphia, Dept Anesthesiol & Crit Care Med, Philadelphia, PA USA
[3] Childrens Hosp Philadelphia, Dept Radiol, Philadelphia, PA USA
[4] Childrens Hosp Philadelphia, Div Pediat Cardiac Surg, Philadelphia, PA USA
[5] Queens Univ, Lab Percutaneous Surg, Kingston, ON, Canada
[6] Pixel Med, Kingston, ON, Canada
[7] Univ Penn, Dept Radiol & Bioengn, Philadelphia, PA USA
[8] Childrens Hosp Philadelphia, 3401 Civ Ctr Blvd, Philadelphia, PA 19104 USA