1. Department for Medical Ethics and History of Medicine, Ruhr-University, Bochum, Germany
2. Institute of Biomedical Ethics and History of Medicine, University of Zurich, Switzerland
3. Department of Hematology, Oncology and Palliative Care, St. Josef-Hospital, Ruhr-University, Bochum, Germany
4. Institute for History and Ethics of Medicine, Martin Luther University, Halle-Wittengerg, Germany