1. Pediatric Palliative Care Service, National Children’s Hospital, San José, Costa Rica;
2. Department of Pediatrics, Hospital Civil de Guadalajara Dr. Juan I. Menchaca, Guadalajara, Mexico;
3. Department of Pediatrics, Feinberg School of Medicine, Northwestern University and Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois; and
4. Bioethics Center, Children’s Mercy Hospital, Kansas City, Missouri