1. Department of Palliative Medicine, RWTH Aachen University, Aachen,
2. Department of Internal Medicine, Cantonal Hospital, St. Gallen
3. Department of Palliative Medicine, RWTH Aachen University, Aachen
4. Department of Palliative Care, Portuguese Institute of Oncology, Porto
5. Department of Behavioral Sciences in Medicine, University of Oslo, Oslo
6. Palliative Medicine Unit, Department of Oncology, St Olavs Hospital, Trondheim
7. Department of Palliative Medicine, University of Göttingen, Göttingen
8. Department of Mental Health, St George's Hospital Medical School, London