1. aPediatric Palliative Care, University of Nebraska Medical Center, Omaha, Nebraska
2. bNational Center for Ethics in Healthcare, Washington, District of Columbia
3. cSchool of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania
4. dBerman Institute of Bioethics, Johns Hopkins University, Baltimore, Maryland
5. eDepartment of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland
6. fDepartment of Medical Ethics and Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
7. gDepartment of Medical Ethics and Health Policy, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania