1. Division of Cardiac Surgery, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
2. Division of Maternal Fetal Medicine, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA
3. Center for Fetal Diagnosis and Therapy, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
4. Division of Neonatology, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
5. Division of Pediatric Cardiology, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
6. Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
7. Division of Pediatric Cardiac Anesthesiology, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA