1. Department of Medical Oncology, National Center for Tumor Diseases, Programme for Ethics and Patient-Oriented Care in Oncology, Heidelberg University Hospital, Heidelberg, Germany
2. Institute for History and Ethics of Medicine, Centre for Health Sciences, Martin Luther University Halle-Wittenberg (Saale), Germany
3. Department of Internal Medicine III, University Hospital Grosshadern; Ludwig-Maximilians University, Munich, Germany
4. Oncological Center Oberland, Hospital Garmisch-Partenkirchen, Garmisch-Partenkirchen, Germany