1. Division of Pediatric Hospital Medicine University of Rochester Medical Center Rochester New York USA
2. Department of Pediatrics University of Rochester School of Medicine and Dentistry Rochester New York USA
3. Department of Pediatrics, Children's Hospital of Philadelphia University of Pennsylvania Philadelphia Pennsylvania USA
4. Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
5. Leonard Davis Institute of Health Economics University of Pennsylvania Philadelphia Pennsylvania USA
6. Division of Hospital Medicine Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
7. James M. Anderson Center for Health System Excellence Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
8. Department of Pediatrics University of Cincinnati College of Medicine Cincinnati Ohio USA