1 Division of Pediatric Palliative Care, Children's Hospital and Medical Center, Omaha, Nebraska, USA. Electronic address: meweaver@childrensomaha.org.
2 Division of Social Work and Medical Anthropology, College of Arts & Science, Creighton University, Omaha, Nebraska, USA.
3 Division of Pediatric Palliative Care, Children's Hospital and Medical Center, Omaha, Nebraska, USA.
4 Division of Pediatric Palliative Care, Children's Hospital and Medical Center, Omaha, Nebraska, USA; Department of Pastoral and Spiritual Care, Children's Hospital and Medical Center, Omaha, Nebraska, USA.