1. Palliative and Supportive Care Service, and Institute of Humanities in Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
2. Institute for German, European, and International Medical Law, Public Health Law and Bioethics of the Universities of Heidelberg and Mannheim, Mannheim, Germany.
3. Institute of Ethics and History of Medicine, University of Tuebingen, Tuebingen, Germany.