1. Department of Clinical Psychology and Psychotherapy, Philipps University Marburg, Marburg, Germany
2. Research Group Medical Ethics, University Hospital of Giessen and Marburg, Philipps University Marburg, Marburg, Germany
3. Department of Pathology, University Hospital of Giessen and Marburg, Marburg, Germany
4. Department for Medical Oncology and Palliative Care, University Hospital of Giessen and Marburg, Giessen Site, Germany
5. Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Giessen and Marburg, Marburg Site, Philipps University Marburg, Marburg, Germany