1. Cologne Center for Ethics, Rights, Economics, and Social Sciences of Health (CERES), University of Cologne and University Hospital of Cologne, Universitätsstraße 91, 50931 Cologne, Germany
2. Center for Life Ethics, University of Bonn, 53113 Bonn, Germany
3. Faculty of Engineering and Mathematics, University of Applied Sciences and Arts (HSBI), 33619 Bielefeld, Germany
4. Department of Community Health, University of Applied Health Sciences Bochum, Gesundheitscampus 6-8, 44801 Bochum, Germany
5. Department of Otolaryngology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
6. Department of Ophthalmology, Rostock University Medical Center, Doberaner Str. 140, 18057 Rostock, Germany