1. First Medical Department, University Medical Center Mainz, Johannes Gutenberg University Mainz
2. Department of Internal Medicine, St. Mary’s Hospital Frankfurt
3. Department of Anesthesiology, University Medical Center Mainz, Johannes Gutenberg University Mainz
4. Second Medical Department, University Medical Center Mainz, Johannes Gutenberg University Mainz
5. Department for General, Visceral and Transplant Surgery, University Medical Center Mainz, Johannes Gutenberg University Mainz