1. Department of Pediatric Palliative Care, University Children's Hospital Zurich, Zurich, Switzerland.
2. Division of Palliative Care, Department of Anesthesia, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
3. Alder Hey Children's NHS Foundation Trust, Liverpool, United Kingdom.
4. Martin House Research Centre, University of York, Heslington, United Kingdom.
5. Department of Paediatrics, University of Melbourne, Melbourne, Australia.
6. Victorian Paediatric Palliative Care Program, The Royal Children's Hospital Melbourne, Melbourne, Australia.
7. Palliative Care and Resilience Lab, Seattle Children's Research Institute, Seattle, Washington, USA.
8. Department of Pediatrics, Division of Hematology/Oncology, University of Washington School of Medicine, Seattle, Washington, USA.
9. Cambia Palliative Care Center of Excellence at the University of Washington, Seattle, Washington, USA.
10. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
11. Department of Pediatrics, Boston Children's Hospital, Boston, Massachusetts, USA.
12. Division of Pediatric Palliative Care, Department of Pediatrics, Children's Hospital and Medical Center, Omaha, Nebraska, USA.
13. National Center for Ethics in Healthcare, Washington, DC, USA.
14. Lawrence S. Bloomberg Faculty of Nursing, Univeristy of Toronto, Toronto, Ontario, Canada.
15. Pediatric Advanced Care Team, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada.
16. Pediatric Palliative Care Centre, Children's and Adolescents' Hospital Datteln, Germany.
17. Department of Children's Pain Therapy and Pediatric Palliative Care, Datteln, Germany.
18. Faculty of Health—School of Medicine, Witten/Herdecke University, Witten, Germany.
19. Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
20. Centre on Aging and Mobility, University Hospital Zurich and City Hospital Waid Zurich, Zurich, Switzerland.
21. Universtiy Clinic for Acute Geriatric Care, City Hospital Waid Zurich, Zurich, Switzerland.