1. The Department of Pediatrics The University of Pennsylvania School of Medicine Philadelphia PA
2. Department of Anesthesiology and Critical Care The University of Pennsylvania School of Medicine Philadelphia PA
3. Department of Health Care Management The Wharton School The University of Pennsylvania Philadelphia PA
4. The Leonard Davis Institute of Health Economics The University of Pennsylvania Philadelphia PA
5. Department of Statistics The Wharton School The University of Pennsylvania Philadelphia PA
6. Center for Outcomes Research The Children's Hospital of Philadelphia Philadelphia PA
7. Department of Surgery The University of Pennsylvania School of Medicine Philadelphia PA