1. Institute of Biomedical Ethics and History of Medicine University of Zurich Zurich Switzerland
2. Clinical Ethics Unit University Hospital Basel, Switzerland Basel
3. Clinical Ethics Unit University Psychiatric Clinics Basel Switzerland
4. Institute of Humanities in Medicine Lausanne University Hospital and University of Lausanne Lausanne Switzerland
5. Palliative and Supportive Care Service, Chair in Geriatric Palliative Care Lausanne University Hospital and University of Lausanne Lausanne Switzerland