1. Department of Cardiology; Boston Children's Hospital; Boston Mass USA
2. Department of Pediatric Intensive Care; Hospital das Clinicas of Ribeirao Preto Medical School; University of São Paulo; São Paulo Brazil
3. Department of Radiology; Boston Children's Hospital; Boston Mass USA
4. Department of Radiology; Harvard Medical School; Boston Mass USA
5. Department of Medicine; Boston Children's Hospital; Boston Mass USA
6. Department of Pediatrics; Harvard Medical School; Boston Mass USA
7. Department of Adolescent Medicine and Endocrinology; Hasbro Children's Hospital and Albert Medical School; Brown University; Providence RI USA
8. Department of Cardiac Surgery; Boston Children's Hospital; Boston Mass USA
9. Department of Surgery; Harvard Medical School; Boston Mass USA
10. Department of Critical Care Medicine; Hospital for Sick Children; Toronto ON Canada