1. Department of Pediatrics, University of Nebraska, Omaha, Nebraska, USA.
2. National Center for Ethics in Health Care, Washington, District of Columbia, USA.
3. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
4. Berman Institute of Bioethics, Baltimore, Maryland, USA.
5. Center for Practical Bioethics, Kansas City, Missouri, USA.
6. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
7. Department of Medicine, Stanford University, Palo Alto, California, USA.
8. Department of Pediatrics, Children's National Hospital, Washington, District of Columbia, USA.
9. Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA.
10. Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
11. Northwestern Pritzker School of Law, Chicago, Illinois, USA.
12. Winship Cancer Institute, Atlanta, Georgia, USA.
13. Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, Georgia, USA.
14. Surgical Critical Care, University of North Carolina Health Care, Chapel Hill, North Carolina, USA.
15. NewCourtland Center for Transitions and Health, School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
16. Department of Medical Ethics and Health Policy, Perelman School of Medicine, Philadelphia, Pennsylvania, USA.
17. Department of Medical Ethics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
18. Department of Pediatrics and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
19. Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.