1. Department of Surgery, Mayo Clinic, Rochester, Minnesota
2. Division of Pediatric Surgery, Department of Surgery, Indiana University, Indianapolis, Indiana
3. School of Medicine, University of Missouri in Columbia, Columbia, Missouri
4. Department of Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
5. Division of Pediatric Cardiothoracic Surgery, Department of Surgery, School of Medicine, Washington University, St Louis, Missouri
6. Division of Pediatric Neurosurgery, Ann and Robert H Lurie Children's Hospital of Chicago, Department of Neurosurgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
7. Children’s Hospital Association, Lenexa, Kansas
8. Pediatric Advanced Care Team, Department of Medical Ethics, The Children’s Hospital of Philadelphia; Philadelphia, Pennsylvania
9. Department of Pediatrics, Medical Ethics and Health Policy, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania