1. Department of Anesthesiology, Intensive Care, Palliative Medicine and Pain Therapy, Helios Klinikum, 24837 Schleswig, Germany
2. Department of Palliative Medicine, Faculty of Medicine and University Hospital, University of Cologne, 50924 Cologne, Germany
3. Last Aid Research Group International (LARGI), 24837 Schleswig, Germany
4. Letzte Hilfe Deutschland gGmbH, 24837 Schleswig, Germany
5. Pfeiffersche Stiftungen, 39114 Magdeburg, Germany
6. Department of Palliative Medicine, RoMed Klinikum, 83022 Rosenheim, Germany
7. Kinder PACT, 22297 Hamburg, Germany