1Institute for History and Ethics of Medicine, Martin-Luther-University Halle-Wittenberg, Halle, Germany.
2University of Applied Sciences for Diakonia, Bielefeld, Germany.
3Institute for Medical Ethics and History of Medicine Ruhr-University Bochum, Bochum, Germany.
4Centre for Social Science and Global Health University of Amsterdam, Amsterdam, The Netherlands.
5Department of Palliative Medicine Munich University Hospital, LMU Munich, München, Germany.
Supported, in part, by the German Federal Ministry of Education and Research (Bundesministerium für Bildung und Forschung) (grant project number: 01KG1404).
The authors have disclosed that they do not have any potential conflicts of interest.
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