1. Research Assistant, Department of Palliative Medicine, University Hospital RWTH Aachen University, Pauwelsstraße 57, 52074 Aachen, Germany
2. Professor of Clinical Nursing (Palliative Care), Head of Discipline Children's Nursing, and Director of Clinical Academic Partnership, UCD School of Nursing, Midwifery and Health Systems and Our Lady's Hospice and Care Services, UCD College of Health Sciences, Ireland
3. Lecturer, UCD School of Nursing, Midwifery and Health Systems, and Head of Education, All Ireland Institute of Hospice and Palliative Care Education & Research Centre, Our Lady's Hospice, Ireland
4. Head of Nursing, Aachen Caritas Services, Germany
5. Professor of Palliative Medicine, Anaesthesiologist, Pain Specialist, and Acting Head of Department, Department for Palliative Medicine, University Hospital RWTH Aachen University, Germany