1. Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Duesseldorf, Medical Faculty of Heinrich Heine University Duesseldorf, Moorenstraße 5, 40225 Duesseldorf
2. Interdisciplinary Center for Palliative Medicine, University Hospital Duesseldorf, Medical Faculty of Heinrich Heine University Duesseldorf, Moorenstrasse 5, 40225 Duesseldorf, Duesseldorf
3. Department of Surgery (A), University Hospital Duesseldorf, Medical Faculty, Heinrich-Heine-University Duesseldorf, Moorenstrasse 5, 40225 Duesseldorf
4. Epidemiology, IQVIA, Frankfurt
5. Department of Anesthesiology, University Hospital Duesseldorf, Medical Faculty of Heinrich Heine University Duesseldorf, Moorenstrasse 5, 40225 Duesseldorf