1. Department of Critical Care Medicine University of Pittsburgh School of Medicine Pittsburgh PA
2. Division of Cardiology Department of Pediatrics The Children's Hospital of Philadelphia, and Perelman School of Medicine at the University of Pennsylvania Philadelphia PA
3. Department of Pediatrics The Children's Hospital of Philadelphia Philadelphia PA
4. Division of Pediatric Cardiology Department of Pediatrics New York Presbyterian/Morgan Stanley Children's Hospital Columbia University Irving Medical Center New York NY
5. Division of Pediatric Cardiology Department of Pediatrics and Communicable Diseases C.S. Mott Children's Hospital University of Michigan Medical School Ann Arbor MI
6. Division of Cardiology The Children's Hospital of Philadelphia, and The University of Pennsylvania School of Nursing Philadelphia PA
7. Division of Cardiothoracic Surgery The Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania Philadelphia PA