1. Departments of General Surgery, Heinrich‐Heine‐University of Duesseldorf, Duesseldorf, Germany
2. Cardiothoracic Surgery, Heinrich‐Heine‐University of Duesseldorf, Duesseldorf, Germany
3. Diagnostic Radiology, Heinrich‐Heine‐University of Duesseldorf, Duesseldorf, Germany
4. Institute of Clinical Pharmacology, University of Witten/Herdecke, Witten, Germany
5. Hemostaseology and Transfusion Medicine, Heinrich‐Heine‐University of Duesseldorf, Duesseldorf, Germany
6. Gastroenterology, Hepatology, and Infectious Diseases, Heinrich‐Heine‐University of Duesseldorf, Duesseldorf, Germany