Affiliation: | 1. Department of Pediatrics (Cardiology), University of Kentucky, Lexington, Kentucky;2. Department of Pediatrics, Medical University of South Carolina Children's Hospital, Charleston, South Carolina;3. Department of Surgery, University of Louisville, Louisville, Kentucky;4. Department of Pediatrics (Cardiology), Duke University, Durham, North Carolina;5. Department of Pediatrics (Cardiology), Stanford University Medical Center, Palo Alto, California;6. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio |