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.